Background
Methods
Study population
Study design
Statistical analysis
Results
Maternal characteristics | Included n = 7824 | Excluded n = 1596 | Differences in mean or % | p-valuep |
---|---|---|---|---|
Age (mean, SD) | 27.3 ± 0.1 | 27.3 ± 0.14 | 0 | 0.96 |
Education level (n, %) | ||||
None | 1685 (21.5) | 424 (26.6) | + 5.1 | < 0.0001** |
GCSE | 2475 (31.6) | 535 (33.5) | + 1.9 | |
A-level | 1235 (15.8) | 142 (8.9) | −6.9 | |
Higher than A-level | 1924 (24.6) | 337 (21.1) | −3.5 | |
Missing | 505 (6.4) | 158 (9.9) | + 3.5 | |
IMD Level (n, %) | ||||
Low deprivation | 2696 (34.5) | 500 (31.3) | −3.2 | 0.16 |
High deprivation | 5125 (65.5) | 1096 (68.7) | + 3.2 | |
Missing | 3 (0.04) | 0 (0.0) | −0.04 | |
Smoking status (n, %) | ||||
Yes | 1375 (17.6) | 162 (10.2) | −7.4 | < 0.0001** |
No | 6446 (82.4) | 1427 (89.4) | + 7.0 | |
Missing | 3 (0.04) | 7 (0.4) | + 0.36 |
Total n = 7824 | White British n = 3514 | South Asian n = 4310 | p-valuep | |
---|---|---|---|---|
BMI categories+ (n, %) | ||||
Underweight | 336 (4.3) | 94 (2.7) | 242 (5.6) | < 0.0001** |
Recommended | 2835 (36.2) | 1514 (43.1) | 1321 (30.6) | |
Overweight | 2438 (31.2) | 1003 (28.5) | 1435 (33.3) | |
Obese | 2215 (28.3) | 903 (25.7) | 1312 (30.4) | |
Class 1 | 1361 (17.4) | 508 (14.5) | 853 (19.8) | |
Class 2 | 589 (7.5) | 264 (7.5) | 325 (7.5) | |
Class 3 | 265 (3.4) | 131 (3.7) | 134 (3.1) | |
Age (mean, SD) | Mean = 27.3 ± 0.1 | 26.6 ± 0.1 | 27.8 ± 0.1 | < 0.0001** |
Education level (n, %) | ||||
None | 1685 (21.5) | 698 (19.9) | 987 (22.9) | < 0.0001** |
GCSE | 2475 (31.6) | 1192 (33.9) | 1283 (29.8) | |
A-level | 1235 (15.8) | 645 (18.3) | 590 (13.7) | |
Higher than A-Level | 1924 (24.6) | 678 (19.3) | 1246 (28.9) | |
Missing | 505 (6.4) | 301 (8.6) | 204 (4.7) | |
IMD level (n, %) | ||||
Low deprivation | 2696 (34.5) | 1702 (48.4) | 994 (23.1) | < 0.0001** |
High deprivation | 5125 (65.5) | 1810 (51.5) | 3315 (76.9) | |
Missing | 3 (0.04) | 2 (0.1) | 1 (0.02) | |
Smoking status (n, %) | ||||
Yes | 1375 (17.6) | 1217 (34.6) | 158 (3.7) | < 0.0001** |
No | 6446 (82.4) | 2295 (65.3) | 4151 (96.3) | |
Missing | 3 (0.04) | 2 (0.1) | 1 (0.02) | |
Depression (n, %) | ||||
Yes | 3158 (40.4) | 1267 (36.1) | 1891 (43.9) | < 0.0001** |
No | 4666 (59.6) | 2247 (63.9) | 2419 (56.1) | |
Anxiety (n, %) | ||||
Yes | 3655 (46.7) | 1701 (48.4) | 1954 (45.3) | 0.004** |
No | 4113 (52.6) | 1790 (22.9) | 2323 (53.9) | |
Missing | 56 (0.7) | 23 (0.3) | 33 (0.8) |
Underweight | Recommended weight | Overweight | Obese class 1 | Obese class 2 | Obese class 3 | p-valuep | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
White British n = 94 | South Asian n = 242 | White British n = 1514 | South Asian n = 1321 | White British n = 1003 | South Asian n = 1435 | White British n = 508 | South Asian n = 853 | White British n = 264 | South Asian n = 325 | White British n = 131 | South Asian n = 134 | White British | South Asian | |
Age (mean ± SD) | 21.8 ± 0.5 | 25.2 ± 0.3 | 25.7 ± 0.2 | 26.4 ± 0.1 | 27.4 ± 0.2 | 28.2 ± 0.1 | 27.7 ± 0.2 | 29.0 ± 0.2 | 27.6 ± 0.3 | 29.2 ± 0.3 | 28.2 ± 0.5 | 30.8 ± 0.5 | 0.0001** | 0.0001** |
Education level (n, %) | ||||||||||||||
None | 28 (29.8) | 50 (20.7) | 329 (21.7) | 255 (19.3) | 169 (16.8) | 321 (22.4) | 88 (17.3) | 212 (24.9) | 55 (20.8) | 100 (30.8) | 29 (22.1) | 49 (36.6) | < 0.0001 | < 0.0001 |
GSCE | 43 (45.7) | 80 (33.1) | 512 (33.8) | 392 (29.7) | 328 (32.7) | 406 (28.3) | 173 (34.1) | 262 (30.7) | 90 (34.1) | 102 (31.4) | 46 (35.1) | 42 (31.3) | ** | ** |
A-level | 12 (12.8) | 27 (11.2) | 247 (16.3) | 186 (14.1) | 202 (20.1) | 202 (14.1) | 103 (20.3) | 120 (14.1) | 58 (22.0) | 41 (12.6) | 23 (17.6) | 14 (10.4) | ||
Higher than A-Level | 7 (7.4) | 76 (31.4) | 316 (20.9) | 428 (32.4) | 210 (20.9) | 439 (30.6) | 91 (17.9) | 223 (26.1) | 32 (12.1) | 65 (20.0) | 22 (16.8) | 15 (11.2) | ||
IMD level (n, %) | ||||||||||||||
Low deprivation | 24 (25.5) | 55 (22.7) | 765 (50.5) | 330 (25.0) | 535 (53.3) | 349 (24.3) | 234 (46.1) | 179 (21.0) | 95 (36.0) | 60 (18.5) | 49 (37.4) | 21 (15.7) | < 0.0001** | 0.015* |
High deprivation | 70 (74.5) | 186 (76.9) | 748 (49.4) | 991 (75.0) | 468 (46.7) | 1086 (75.7) | 273 (53.7) | 674 (79.0) | 169 (64.0) | 265 (81.5) | 82 (62.6) | 113 (84.3) | ||
Smoking status (n, %) | ||||||||||||||
Yes | 56 (59.6) | 6 (2.5) | 542 (35.8) | 48 (3.6) | 322 (32.1) | 63 (4.4) | 165 (32.5) | 21 (2.5) | 98 (37.1) | 14 (4.3) | 34 (26.0) | 6 (4.5) | < 0.0001** | 0.181 |
No | 38 (40.4) | 236 (97.5) | 970 (64.1) | 1273 (96.4) | 681 67.9) | 1371 (95.5) | 343 (67.5) | 832 (97.5) | 166 (62.9) | 311 (95.7) | 97 (74.0) | 128 (95.5) | ||
Depression (n, %) | ||||||||||||||
Yes | 37 (39.4) | 97 (40.1) | 543 (35.9) | 555 (42.0) | 352 (35.1) | 657 (45.8) | 179 (35.2) | 380 (44.5) | 107 (40.5) | 137 (42.2) | 49 (37.4) | 65 (48.5) | 0.630 | 0.212 |
No | 57 (60.6) | 145 (59.9) | 971 (64.1) | 766 (58.0) | 651 (64.9) | 778 (54.2) | 329 (64.8) | 473 (55.5) | 157 (59.5) | 188 (57.8) | 82 (62.6) | 69 (51.5) | ||
Anxiety (n, %) | ||||||||||||||
Yes | 38 (40.4) | 95 (39.3) | 699 (46.2) | 581 (44.0) | 510 (50.8) | 657 (45.8) | 250 (49.2) | 405 (47.5) | 131 (49.6) | 153 (47.1) | 73 (55.7) | 63 (47.0) | 0.065 | 0.261 |
No | 55 (58.5) | 146 (60.3) | 803 (53.0) | 726 (55.0) | 487 (48.6) | 764 (53.2) | 257 (50.6) | 446 (52.3) | 130 (49.2) | 171 (52.6) | 58 (44.3) | 70 (52.2) |
Depression | White British | South Asian | Interaction AORa WB = reference | ||
---|---|---|---|---|---|
BMI categories+ | Unadjusted OR (95% CI) | AOR (95% CI)a | Unadjusted OR (95% CI) | AOR (95% CI)a | |
Recommended weight | Reference group | Reference group | Reference group | Reference group | 0.79 (0.46–1.37) |
Underweight | 1.16 (0.76–1.78) | 0.98 (0.63–1.54) | 0.92 (0.70–1.22) | 0.87 (0.65–1.16) | 0.66 (0.32–1.37) |
Overweight | 0.97 (0.82–1.14) | 1.00 (0.84–1.20) | 1.17 (1.00–1.36)* | 1.16 (0.99–1.36) | 0.95 (0.55–1.65) |
Obese | 1.05 (0.89–1.25) | 1.05 (0.87–1.26) | 1.10 (0.94–1.28) | 1.13 (0.96–1.33) | 1.10 (0.71–1.71) |
Class 1 | 0.97 (0.79–1.20) | 1.00 (0.80–1.25) | 1.11 (0.93–1.32) | 1.15 (0.96–1.38) | 0.93 (0.52–1.64) |
Class 2 | 1.22 (0.93–1.59) | 1.16 (0.87–1.56) | 1.01 (0.79–1.29) | 1.01 (0.78–1.30) | 0.68 (0.36–1.28) |
Class 3 | 1.07 (0.74–1.55) | 1.01 (0.68–1.51) | 1.20 (0.91–1.86) | 1.32 (0.90–1.94) | – |
Anxiety | White British | South Asian | Interaction AORa WB = reference | ||
---|---|---|---|---|---|
BMI categories+ | Unadjusted OR (95% CI) | AOR (95% CI)a | Unadjusted OR (95% CI) | AOR (95% CI)a | |
Recommended weight | Reference group | Reference group | Reference group | Reference group | 1.18 (0.69–2.01) |
Underweight | 0.80 (0.52–1.22) | 0.75 (0.48–1.17) | 0.80 (0.52–1.22) | 0.82 (0.61–1.09) | 1.23 (0.60–2.52) |
Overweight | 1.21 (1.03–1.42)* | 1.25 (1.05–1.47)** | 1.09 (0.94–1.27) | 1.06 (0.91–1.24) | 1.05 (0.0–1.79) |
Obese | 1.18 (1.00–1.39)* | 1.13 (0.95–1.35) | 1.13 (0.97–1.31) | 1.13 (0.96–1.33) | 1.04 (0.85–1.29) |
Class 1 | 1.13 (0.92–1.38) | 1.09 (0.88–1.35) | 1.13 (0.95–1.34) | 1.15 (0.96–1.38) | 1.28 (0.73–2.23) |
Class 2 | 1.17 (0.90–1.52) | 1.13 (0.85–1.49) | 1.13 (0.89–1.44) | 1.09 (0.84–1.40) | 1.17 (0.63–2.15) |
Class 3 | 1.43 (0.99–2.04) | 1.29 (0.89–1.88) | 1.11 (0.78–1.58) | 1.10 (0.75–1.62) | – |
White British | South Asian | |||
---|---|---|---|---|
Variables | Depression AOR (95% CI) | Anxiety AOR (95% CI) | Depression AOR (95% CI) | Anxiety AOR (95% CI) |
Age | 0.98 (0.97–0.99)* | 1.00 (0.98–1.01) | 1.00 (0.99–1.01) | 1.02 (1.01–1.04)* |
Education | ||||
Higher than A-level | Reference group | Reference group | Reference group | Reference group |
A-level | 1.26 (0.97–1.62) | 0.99 (0.79–1.25) | 1.45 (1.18–1.77)** | 1.31 (1.07–1.60)* |
GCSE | 1.54 (1.22–1.95)** | 1.15 (0.93–1.42) | 1.22 (1.04–1.43)* | 0.93 (0.80–1.10) |
None | 2.12 (1.63–2.76)** | 1.25 (0.98–1.59) | 0.99 (0.83–1.77) | 0.65 (0.55–0.78)** |
IMD level | ||||
Low deprivation | Reference group | Reference group | Reference group | Reference group |
High deprivation | 1.17 (1.00–1.37) | 0.93 (0.80–1.08) | 1.13 (0.97–1.31) | 0.98 (0.85–1.14) |
Smoking status | ||||
No | Reference group | Reference group | Reference group | Reference group |
Yes | 1.32 (1.12–1.56)* | 1.34 (1.14–1.57)** | 2.08 (1.49–2.91)** | 2.87 (2.02–4.07)** |