Introduction
Methods
Participants and study design
Measures
Baseline measures, exposure data (Young-HUNT 1, 1995/97)
Behavioural and health related variables
Anxiety and depressive symptoms
Attention- and conduct problems
Pain and tension symptoms
Alcohol intoxications
Follow-up measures, outcome data, Young-HUNT 2 (00/01)
Frequent alcohol use
Drug use
Statistics
Results
Boys (N = 1115) | Girls (N = 1284) | ||||||
---|---|---|---|---|---|---|---|
Exposure variables | N | % | 95%CI | N | % | 95%CI | p-value** |
Anxiety/depressive symptoms | 128 | 11.5 | 9.6-13.4 | 269 | 21.0 | 18.7-23.2 | <0.0001 |
Attention problems | 188 | 16.9 | 14.7-19.1 | 260 | 20.2 | 18.0-22.4 | 0.04 |
Conduct problems | 181 | 16.2 | 14.0-18.4 | 68 | 5.3 | 4.0-6.5 | <0.0001 |
Pain and tension problems | 148 | 13.3 | 11.3-15.3 | 305 | 23.8 | 21.5-26.1 | <0.0001 |
Early alcohol intoxication | 267 | 23.9 | 21.4-26.4 | 357 | 27.8 | 25.4-30.3 | 0.044 |
Frequent alcohol use at follow up
Total (N = 2399) | Boys (N = 1115) | Girls (N = 1284) | |||||||
---|---|---|---|---|---|---|---|---|---|
Exposure variables | OR | CI | R2** | OR | CI | R2 | OR | CI | R2 |
Bivariate log.reg
| |||||||||
Anxiety/depressive symptoms | 1.1 | 0.8-1.4 | 0.002 | 1.0 | 0.7-1.6 | 0.003 | 1.4 | 1.0-2.0 | 0.006 |
Attention problems |
1.5
| 1.2-2.0 | 0.01 | 1.1 | 0.9-1.3 | 0.01 | 1.1 | 0.9-1.4 | 0.02 |
Conduct problems |
2.2
| 1.7-3.0 | 0.02 | 1.8 | 1.2-2,5 | 0.02 | 2.8 | 1.6-4.7 | 0.02 |
Pain and tension problems | 1.3 | 1.0-1.7 | 0.007 | 1.3 | 0.9-2.0 | 0.007 | 1.6 | 1.1-2.2 | 0.01 |
Early alcohol intoxication |
2.7
| 2.1-3.4 | 0.06 | 2.8 | 2.0-3.9 | 0.05 | 2.8 | 2.0-4.1 | 0.05 |
Full model log.reg
| |||||||||
Anxiety/depressive symptoms | 0.9 | 0.7-1.0 | 1.0 | 0.6-1.6 | 1.0 | 0.6-1.5 | |||
Attention problems | 1.2 | 0.9-1.6 | 1.1 | 0.7-1.7 | 1.4 | 0.9-2.1 | |||
Conduct problems |
1.7
| 1.3-2.4 | 1.3 | 0.9-2.0 | 1.8 | 1.0-3.2 | |||
Pain and tension problems | 1.1 | 0.8-1.5 | 1.2 | 0.7-1.8 | 1.3 | 0.9-1.9 | |||
Early alcohol intoxication |
2.4
| 1.9-3.1 | 2.5 | 1.7-3.6 | 2.6 | 1.7-3.8 | |||
0.06 | 0.06 | 0.07 |
Boys
|
Girls
| ||||||
---|---|---|---|---|---|---|---|
Alcohol use status at baseline
3
| Distress versus no distress2 | OR | 95% CI | P-value | OR | 95% CI | P-value |
Anxiety/depressive | 1.3 | 0.7-2.2 | .39 | 0.9 | 0.5-1.6 | .69 | |
No early alcohol intoxication
| Attention problems | 1.2 | 0.7-2.0 | .47 | 1.2 | 0.7-2.0 | .57 |
Conduct problems |
1.7
|
1.0-2.7
|
.038
| 1.4 | 0.5-4.1 | .55 | |
Tension problems | 1.1 | 0.6-1.9 | .82 | 1.2 | 0.6-2.1 | .38 | |
Anxiety/depressive | 0.7 | 0.3-1.5 | .37 |
1.9
|
1.1-3.1
|
.019
| |
Early alcohol intoxications
| Attention problems | 1.3 | 0.8-2.3 | .32 |
2.1
|
1.2-3.4
|
.005
|
Conduct problems | 1.2 | 0.7-2.2 | .43 |
2.5
|
1.3-4.8
|
.008
| |
Tension problems | 1.3 | 0.7-2.4 | .39 |
1.7
|
1.0-2.9
|
.042
|
Drug use at follow up
Total (N = 2399) | Boys (N = 1115) | Girls (N = 1284) | |||||||
---|---|---|---|---|---|---|---|---|---|
Exposure variables | OR | CI | R2** | OR | CI | R2 | OR | CI | R2 |
Bivariate log.reg
| |||||||||
Anxiety/depressive symptoms |
1.6
| 1.4-1.9 | 0.04 |
2.2
| 1.4-2.5 | 0.07 | 1.1 | 0.8-1.6 | 0.03 |
Attention problems |
1.7
| 1.3-2.2 | 0.04 | 1.4 | 0.9-2.1 | 0.04 |
2.0
| 1.4-2.8 | 0.05 |
Conduct problems |
2.6
| 1.9-3.6 | 0.06 |
2.7
| 1.8-2.2 | 0.09 |
2.4
| 1.4-4.3 | 0.04 |
Pain and tension problems |
1.5
| 1.2-2.0 | 0.04 |
1.9
| 1.2-2.3 | 0.06 | 1.4 | 1.0-2.1 | 0.03 |
Early alcohol intoxication |
5.9
| 4.5-7.8 | 0.16 |
4.7
| 3.2-7.0 | 0.15 |
7.7
| 5.2-11.5 | 0.18 |
Full model log.reg
| |||||||||
Anxiety/depressive symptoms | 1.0 | 0.8-1.6 |
2.1
| 1.3-3.6 | 0.8 | 0.5-1.3 | |||
Attention problems | 1.1 | 0.8-1.5 | 0.7 | 0.4-1.2 | 1.4 | 0.9-2.2 | |||
Conduct problems |
1.9
| 1.4-2.8 |
2.1
| 1.3-3.3 | 1.4 | 0.7-2.7 | |||
Pain and tension problems | 1.1 | 0.8-1.5 | 1.1 | 0.6-1.8 | 1.1 | 0.7-1.7 | |||
Early alcohol intoxication |
5.5
| 4.1-7.4 |
4.5
| 2.-6.9 |
7.3
| 4.7-11.4 | |||
0.17 | 0.19 | 0.19 |
Alcohol use status at baseline
3
| distress2 versus no distress (ref.) | OR | 95% CI | P-value |
---|---|---|---|---|
Anxiety/depressive | 1.2 | 0.8-2.0 | 0.4 | |
No early alcohol intoxication
| Attention problems | 1.3 | 0.9-2.1 | 0.2 |
Conduct problems |
2.7
|
1.6 -4.4
|
0.001
| |
Tension problems | 1.3 | 0.8-2.0 | 0.3 | |
Anxiety/depressive | 1.2 | 0.8-1.8 | 0.3 | |
Early alcohol intoxications
| Attention problems | 1.2 | 0.9-1.8 | 0.2 |
Conduct problems |
1.6
|
1.0-2.4
|
0.04
| |
Tension problems | 1.2 | 0.8-1.7 | 0.4 |
Boys
|
Girls
| ||||||
---|---|---|---|---|---|---|---|
Alcohol use status at baseline
3
| distress2 versus no distress (ref.) | OR | 95% CI | P-value | OR | 95% CI | P-value |
Anxiety/depressive |
2.4
|
1.2-4.5
|
.009
| 0.7 | 0.3-1.5 | .38 | |
No early alcohol intoxication
| Attention problems |
2.0
|
1.1-4.0
|
.018
| 0.8 | 0.4-1.7 | .58 |
Conduct problems |
2.7
|
1.5-4.9
|
.001
| 1.8 | 0.5-6.2 | .35 | |
Tension problems | 1.3 | 0.6-2.7 | .51 | 1.4 | 0.7-2.7 | .29 | |
Anxiety/depressive | 2.0 | 1.0-4.0 | .06 | 1.0 | 0.6-1.7 | .93 | |
Early alcohol intoxications
| Attention problems | 0.6 | 0.3-1.2 | .15 |
1.9
|
1.2-3.1
|
.007
|
Conduct problems |
1.8
|
1.0-3.1
|
.050
| 1.3 | 0.7-2.6 | .45 | |
Tension problems | 1.6 | 0.9-3.0 | .14 | 1.0 | 0.6-1.7 | .96 |