Background
Methods
Eligibility criteria
Search strategy and study selection
# | Searches | Results |
---|---|---|
1 | preschool child/ | 514746 |
2 | preschool*.mp. | 521258 |
3 | “early years”.mp. | 3276 |
4 | “early childhood”.mp. | 22013 |
5 | “preschool-aged children”.mp. | 1006 |
6 | “inactivity”.mp. | 12005 |
7 | “sedentary activity”.mp. | 381 |
8 | “sedentary lifestyle”.mp. or exp sedentary lifestyle/ | 5478 |
9 | “physical inactivity”.mp. | 4922 |
10 | “sitting”.mp. or exp sitting/ | 26772 |
11 | “movement”.mp. or exp “movement (physiology)”/ | 438846 |
12 | “inaction”.mp. | 557 |
13 | “inactiveness”.mp. | 19 |
14 | “exercise”.mp. or exp exercise/ | 339685 |
15 | “physical activity”.mp. or exp physical activity/ | 258688 |
16 | motor activity.mp. or exp motor activity/ | 376722 |
17 | “physical fitness”.mp. or exp fitness/ | 30887 |
18 | “screen-viewing”.mp. | 46 |
19 | “screen viewing“.mp. | 46 |
20 | “tv“.mp. | 11694 |
21 | “television”.mp. or exp television/ | 21878 |
22 | “video games”.mp. or exp recreation/ | 41745 |
23 | exp computer/ or “computer”.mp. | 1057438 |
24 | “mobile phone”.mp. or exp mobile phone/ | 7109 |
25 | “cell phone”.mp. | 1084 |
26 | “PDA”.mp. | 8288 |
27 | “smartboards”.mp. | 0 |
28 | “screen-media”.mp. | 40 |
29 | “screen media”.mp. | 40 |
30 | “computer games”.mp. | 572 |
31 | “tablets”.mp. | 43489 |
32 | “computer tablets”.mp. | 8 |
33 | “iPad”.mp. | 505 |
34 | “iPod”.mp. | 251 |
35 | “MP3 players”.mp. or exp MP3 player/ | 148 |
36 | “electronic games”.mp. | 94 |
37 | “movies”.mp. | 2308 |
38 | “DVD”.mp. | 1398 |
39 | “smartphones”.mp. | 362 |
40 | “internet”.mp. or exp Internet/ | 83349 |
41 | “multiscreen viewing”.mp. | 2 |
42 | “multi-screen viewing”.mp. | 2 |
43 | exp television viewing/ | 1160 |
44 | “wii”.mp. | 506 |
45 | “videocassette”.mp. | 76 |
46 | “videotape”.mp. or exp videotape/ | 6009 |
47 | “screen-based entertainment”.mp. | 8 |
48 | “screen based entertainment”.mp. | 8 |
49 | “media entertainment”.mp. | 9 |
50 | “visual entertainment”.mp. | 1 |
51 | “viewing habits”.mp. | 88 |
52 | “nintendo DS”.mp. | 9 |
53 | “interactive media”.mp. | 124 |
54 | “handheld media”.mp. | 1 |
55 | “handheld computer”.mp. | 224 |
56 | “gameboy”.mp. | 5 |
57 | exp technology/ or “technology”.mp. | 345294 |
58 | 18 or 19 or 20 or 21 or 22 or 23 or 24 or 25 or 26 or 27 or 28 or 29 or 30 or 31 or 32 or 33 or 34 or 35 or 36 or 37 or 38 or 39 or 40 or 41 or 42 or 43 or 44 or 45 or 46 or 47 or 48 or 49 or 50 or 51 or 52 or 53 or 54 or 55 or 56 or 57 | 1536268 |
59 | 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 | 1193663 |
60 | 1 or 2 or 3 or 4 or 5 | 539762 |
61 | 58 and 59 and 60 | 2156 |
62 | “active gaming”.mp. | 12 |
63 | “active games”.mp. | 37 |
64 | “childcare”.mp. or exp child care/ | 50827 |
65 | “child care”.mp. | 33633 |
66 | “daycare”.mp. or exp day care/ | 10037 |
67 | “day care”.mp. | 12935 |
68 | “nursery school”.mp. or exp nursery school/ | 1982 |
69 | “nurseries”.mp. | 2514 |
70 | 18 or 19 or 20 or 21 or 22 or 23 or 24 or 25 or 26 or 27 or 28 or 29 or 30 or 32 or 33 or 34 or 35 or 36 or 37 or 38 or 39 or 40 or 41 or 42 or 43 or 44 or 45 or 46 or 47 or 48 or 49 or 50 or 51 or 52 or 53 or 54 or 55 or 56 or 62 or 63 | 1200783 |
71 | 64 or 65 or 66 or 67 or 68 or 69 | 68560 |
72 | 59 and 60 and 70 and 71 | 131 |
Quality assessment of literature
Data extraction
Authors | Country | Design | Sample | Study purpose | Method of assessing screen-viewing | Availability of screen-viewing activities | Rates of screen-viewing |
---|---|---|---|---|---|---|---|
▪ Bacigalupa (2005) [47] | ▪ United States | ▪ Mixed-methods | ▪ 1 home-based childcare facility | ▪ Three-fold: | ▪ Field notes (direct observation) | ▪ Each child permitted 18 minutes of video games/day: | |
▪ 6 preschoolers (mean age = ~5 years†∇; 50% male) | 1. Examine video game use by young children | - Children sat and watched the others play (6 children x 18mins = 108 mins/day or 1.8 hrs/day) | |||||
2. Explore the nature of children’s interactions during video game use | - Could “earn” extra minutes for good behavior | ||||||
3. Assess video game usage within the home childcare environment | |||||||
▪ Brown et al. (2009) [43] | ▪ United States | ▪ Cross-sectional | ▪ 24 center-based childcare facilities | ▪ Two-fold: | ▪ OSRAC-P (direct observation) | ▪ 0.15 hrs/day (or 8.92 mins/day) per child | |
▪ 476 preschoolers (mean age = 4.2 years [SD = 0.7]; 50% male) | 1. Describe the PA behaviors and the accompanying environmental/social events of preschoolers in childcare | - 2% was in light PA | |||||
1. Examine which conditions were predictors of MVPA and total PA | - 98% was sedentary | ||||||
▪ Christakis & Garrison (2009) [50] | ▪ United States | ▪ Cross-Sectional | ▪ 168 childcare facilities (84 home-based, 74 center-based) | ▪ Two-fold: | ▪ Telephone survey (proxy-report measure) | ▪ Mean (SD) television viewing across all participating facilities: | |
▪ Preschoolers’ age range = 3–5 years | 1. Investigate characteristics of programs that predict screen-viewing | - Home-based: 2.4 hrs/day (1.8) | |||||
2. Quantify television viewing in childcare settings | - Center-based: 0.4 hrs/day (0.9) | ||||||
▪ Mean (SD) television viewing across facilities that reported any screen-use in care: | |||||||
- Home-based: 3.4 hrs/day (2.8) | |||||||
- Center-based: 1.2 hrs/day (1.3) | |||||||
▪ Preschoolers in home-based childcare engaged in significantly more television than those in center-based care (p < .001) | |||||||
▪ > 90% of childcare facilities reported television being for educational or educational and entertainment purposes | |||||||
▪ Christakis et al. (2006) [11] | ▪ United States | ▪ Cross-sectional | ▪ 2,672 childcare facilities (583 home-based; 2,089 center-based) | ▪ Two-fold: | ▪ Survey (proxy-report measure) | ▪ Mean hours of daily television viewing: | |
▪ Preschoolers’ age range = 3–5 years | 1. Describe the amount and frequency of television viewing among preschoolers in childcare | - Home-based: 1.39 hrs/day∇
| |||||
2. Explore predictors of television viewing in the childcare setting | - Center-based: 0.36 hrs/day∇
| ||||||
▪ Preschoolers in home-based childcare watched ~4x more television than those in center-based care | |||||||
▪ Dowda et al. (2004) [51] | ▪ United States | ▪ Cross-sectional | ▪ 9 center-based childcare facilities: | ▪ Determine if levels of MVPA among preschoolers varied with differences in policies/practices, and overall quality of childcare facilities | ▪ ECERS-R (direct observation) | ▪ 3 PAP centers, < 45 mins/day (or < 0.75 hrs/day): | |
- 3 PAP centers (83 children) | - 5.7% (SD = 1.6) was in MVPA | ||||||
- 6 NPAP centers (183 children) | - 57.5% (SD = 4.8) was sedentary | ||||||
▪ 266 preschoolers (mean age = 4 years∇; 47% males) | ▪ 6 NPAP centers, ≥ 45 mins/day (or ≥ 0.75 hrs/day): | ||||||
- 7.1% (SD = 1.1) was in MVPA | |||||||
- 56.7% (SD = 3.4) was sedentary | |||||||
▪ Finch et al. (2012) [52] | ▪ Australia | ▪ Quasi-experimental (intervention, 2-arm) | ▪ 484 center-based childcare facilities (275 intervention, 209 control) | ▪ Describe impact of an intervention tasked with increasing the adoption of PA-promoting policies/practices in center-based childcare | ▪ Telephone survey (proxy-report measure) | ▪ Prevalence of PA policies/practices in centers (at baseline): | |
▪ Preschoolers’ age range = 3–5 years | - 45-60%: policy that limits screen time
| ||||||
- 17-23%: children are allowed to watch screens less than once per week
| |||||||
▪ Finch et al. (2014) [53] | ▪ Australia | ▪ Cluster randomized control trial | ▪ 20 center-based childcare facilities (10 in intervention, 10 in control) | ▪ Evaluate the impact of a cluster randomized trial on the PA levels of 3–5 year old children attending center-based childcare | ▪ EPAO (direct observation) | ▪ Mean (SD) television viewing = 6.90 (21.82) mins/day | |
▪ 457 preschoolers; age range = 3–5 years; ~55% male) | |||||||
▪ Gunter et al. (2012) [54] | ▪ United States | ▪ Cross-sectional | ▪ 53 home-based childcare facilities | ▪ Asses the current status of PA- and nutrition-related policies/practices in home-based childcare facilities to help inform the Journey to a Healthy Child Care Home childhood obesity intervention | ▪ NAP SACC (proxy-report measure) | ▪ Prevalence of screen-viewing policies/practices in centers: | |
▪ 205 preschoolers (age range = 2–5 years) | - 60.4%: television is turned on every day for at least part of the day
| ||||||
- 58.5%: children are allowed to watch television/videos or play video games at least once a day
| |||||||
- 20.8%: children are allowed to use a computer for educational purposes or games at least once a day
| |||||||
▪ McWilliams et al. (2009) [55] | ▪ United States | ▪ Cross-sectional | ▪ 96 center-based childcare facilities (only 42 with television data) | ▪ Demonstrate how current practices of a large sample of childcare centers compare to best-practice PA guidelines | ▪ EPAO (proxy-report measure) | ▪ Number of centers engaging in television viewing time (with television present in classroom): | |
▪ 66 children/center (median enrollment; where ~50% were 3–5 years) | - 17: ≤ 30 mins/day (or ≤ 0.50 hrs/day) | ||||||
- 16: ≥ 31 ≤ 60 mins/day (or ≥ 0.50 ≤ 1 hr/day) | |||||||
- 9: > 60 mins/day (or > 1 hr/day) | |||||||
▪ Natale et al. (2013) [56] | ▪ United States | ▪ Cross-sectional | ▪ 1,140 childcare facilities (842 center-based, 298 home-based) | ▪ Explore and differentiate between the PA and nutrition patterns of center- and home-based childcare facilities | ▪ Physical Activity Frequency Questionnaire (proxy-report measure) | ▪ Television viewing limited to ≤ 60 mins/day (or ≤ 1 hr/day; once a week) | |
▪ Preschoolers’ age range = 3–5 years (~50% male) | ▪ Center-based: 474 | ||||||
▪ Home-based: 113* | |||||||
▪ Computer use limited to ≤ 60 mins/day (or ≤ 1 hr/day; once a week) | |||||||
▪ Center-based:410 | |||||||
▪ Home-based: 186* | |||||||
▪ Sisson et al. (2012) [57] | ▪ United States | ▪ Cross-sectional | ▪ 314 center-based childcare facilities | ▪ To determine the obesogenic practices of full-day childcare centers | ▪ NAP SACC (proxy-report measure) | ▪ Prevalence of screen-viewing practices in centers: | |
▪ Preschoolers’ age range = 2–5 years | - 57.4%: television is rarely/never used
| ||||||
▪ Tandon et al. (2011) [58] | ▪ United States | ▪ Cross-sectional | ▪ 6,050 preschoolers (1,900 in home-based childcare; 4,150 in center-based childcare; mean age = 4.37 years [SE = 0.01]; 51% male) | ▪ Three-fold: | ▪ Telephone survey (proxy-report measure) | ▪ Mean television viewing: | |
1. Assess preschoolers cumulative daily screen time | - Home-based: 1.8 hrs/day∇
| ||||||
2. Measure the contributions of the home and childcare setting to this total | - Center-based: 0.1 hrs/day∇
| ||||||
3. Characterize children most at risk for excessive screen time | ▪ Preschoolers in center-based childcare watched significantly less television in comparison to those attending home-based care (p < .001) | ||||||
▪ Taverno Ross et al. (2013) [48] | ▪ United States | ▪ Multi-component intervention | ▪ 16 center-based childcare facilities | ▪ Explore the separate influences of “childcare television” vs. “home television” vs. “cumulative television” on preschoolers’ PA and weight | ▪ 3-item survey examining the rules, use, and availability of television in childcare (proxy-report measure) | ▪ Childcare environment was highly conducive to television viewing | |
▪ 339 preschoolers (mean age = 4.5 years [SD = 0.3]; 52.2% males) | ▪ Mean (SD) of summed scores (i.e., TV availability, rules, use) at baseline = 4.1 (1.8) out of 11 (where a lower score indicates an screen-viewing supportive environment) | ||||||
▪ Trost et al. (2009) [59] | ▪ United States | ▪ Cross-sectional | ▪ 297 home-based childcare facilities | ▪ Describe nutrition- and PA-related policies/practice in a representative sample of home-based childcare facilities | ▪ NAP SACC (proxy-report measure) | ▪ Prevalence of screen-viewing policies/practices in centers: | |
▪ Preschoolers’ age range = 2–5 years | - 64.6%: television is turned on every day for at least part of the day
| ||||||
- 55.1%: children are allowed to watch television/videos or play video games at least once a day
| |||||||
- 33.2%: children are allowed to use a computer for educational purposes or games at least once a day
| |||||||
▪ Trost et al. (2011) [60] | ▪ United States | ▪ Quasi-experimental (intervention) | ▪ 236 home-based childcare facilities | ▪ Determine the impact of a community-based train-the-trainer intervention on the nutrition- and PA-related policies/practice of home-based childcare facilities | ▪ NAP SACC (proxy-report measure) | ▪ Mean (SD) score for television use and viewing: 2.9 (0.8) [out of 4, where a score of 4 = best practice of never/rarely watching screens] | |
▪ Preschoolers’ age range = 2–5 years | |||||||
▪ Wolfenden et al. (2010) [61] | ▪ Australia | ▪ Cross-sectional | ▪ 261 center-based childcare facilities (112 pre-schools, 149 long-day care settings) | ▪ Two-fold: | ▪ Telephone survey (proxy-report measure) | ▪ 25-30% of centers (preschools and long-day care settings, respectively) provided daily opportunities to engage in screen activities | |
▪ 27 children/pre-school (mean enrolment; age range = 3–5 years) | 1. Describe PA-related policies/practices of childcare programs | ▪ Policy supports limiting screen recreation | |||||
▪ 39 children/long-day care setting (mean enrollment; age range = 6 weeks-under 6 years) | 2. Ascertain whether characteristics like socio-economic status, remoteness, or size predict these policies and/or practices | - Preschools = 35 | |||||
- Long-day care settings = 69 | |||||||
▪ Zevenbergen & Logan (2008) [62] | ▪ Australia | ▪ Cross-sectional | ▪ 25 childcare facilities | ▪ Determine the amount of access young children had to computers at home and in the childcare setting | ▪ Survey (proxy-report measure) | ▪ Mean frequency of access to computers in childcare = 1.04±∇ (out of 3, where a score of 3 = frequent) | |
▪ 150 preschoolers (age range = 4–5 years) | ▪ Majority of activities undertaken while using the computer were educational games, followed by non-educational games |
Data synthesis and analysis
Results
Summary of search efforts and study characteristics
Rate of screen-viewing among preschoolers in childcare
Context of screen-viewing activities
Correlates of screen-viewing in childcare
Child demographic factors
Factor type | Factor | Association | Strength of consistency supporting the association | |
---|---|---|---|---|
+ | - | |||
Child demographic factors
| Sex | [47] {H} | Inconclusive | |
Staff demographic factors
| High level of education | [11] {C} | Strong | |
[50] {C} | ||||
[58] {C} | ||||
High volume of staff/center | [C] [11] | Inconclusive | ||
Environmental factors
| Daily hours of operation | [11] {H/C} | Inconclusive | |
Type of childcare arrangement | [11] {H}, | Strong | ||
[50] {H}, | ||||
[56] {H}, | ||||
[58] {H},, | ||||
Provision of after-school care | [11] {C} | Inconclusive | ||
Open practices/policies re: screen use | [48] {C} | Inconclusive | ||
Social factors
| Low SES neighborhood | [11] {C} | Inconclusive |