| Parental interest (7-16y) |
|
|
|
|
|
|
|
|
| Both interested |
930 (51.87%) |
634 (45.74%) |
348 (39.64%) |
<0.001 |
989 (54.22%) |
555 (44.94%) |
362 (36.31%) |
<0.001 |
| Low/No interest |
698 (38.93%) |
578 (41.70%) |
427 (48.63%) |
|
654 (35.86%) |
524 (42.43%) |
488 (48.95%) |
|
| Missing |
165 (9.20%) |
174 (12.55%) |
103 (11.73%) |
|
181 (9.92%) |
156 (12.63%) |
147 (14.74%) |
|
| Prior confounders |
|
|
|
|
|
|
|
|
| Parental SEC (birth) |
|
|
|
|
|
|
|
|
| I & II |
405 (22.59%) |
240 (17.32%) |
103 (11.73%) |
<0.001 |
414 (22.70%) |
184 (14.90%) |
108 (10.83%) |
<0.001 |
| IIINM |
196 (10.93%) |
117 (8.44%) |
67 (7.63%) |
|
201 (11.02%) |
110 (8.91%) |
80 (8.02%) |
|
| IIIM |
805 (44.90%) |
666 (48.05%) |
442 (50.34%) |
|
789 (43.26%) |
613 (49.64%) |
509 (51.05%) |
|
| IV&V |
295 (16.45%) |
262 (18.90%) |
211 (24.03%) |
|
309 (16.94%) |
248 (20.08%) |
240 (24.07%) |
|
| Missing |
92 (5.13%) |
101 (7.29%) |
55 (6.26%) |
|
111 (6.09%) |
80 (6.48%) |
60 (6.02%) |
|
| Material living conditions (7y) |
|
|
|
|
|
|
|
|
| Advantaged |
1191 (66.42%) |
804 (58.01%) |
500 (56.95%) |
<0.001 |
1158 (63.49%) |
735 (59.51%) |
570 (57.17%) |
<0.001 |
| Disadvantaged |
337 (18.80%) |
360 (25.97%) |
241 (27.45%) |
|
399 (21.88%) |
308 (24.94%) |
300 (30.09%) |
|
| Missing |
265 (14.78%) |
222 (16.02%) |
137 (15.60%) |
|
267 (14.64%) |
192 (15.55%) |
127 (12.74%) |
|
| Father’s level of education (7y) |
|
|
|
|
|
|
|
|
| Left school ≥15y |
451 (25.15%) |
287 (20.71%) |
135 (15.38%) |
<0.001 |
487 (26.70%) |
252 (20.40%) |
167 (16.75%) |
<0.001 |
| Left school <14y |
1101 (61.41%) |
875 (63.13%) |
598 (68.11%) |
|
1067 (58.50%) |
795 (64.37%) |
677 (67.90%) |
|
| Missing |
241 (13.44%) |
224 (16.16%) |
145 (16.51%) |
|
270 (14.80%) |
188 (15.22%) |
153 (15.35%) |
|
| Mother’s level of education (birth) |
|
|
|
|
|
|
|
|
| Left school ≥15y |
516 (28.78%) |
325 (23.45%) |
182 (20.73%) |
<0.001 |
552 (30.26%) |
300 (24.29%) |
173 (17.35%) |
<0.001 |
| Left school <14y |
1189 (66.31%) |
971 (70.06%) |
640 (72.89%) |
|
1172 (64.25%) |
858 (69.47%) |
766 (76.83%) |
|
| Missing |
88 (4.91%) |
90 (6.49%) |
56 (6.38%) |
|
100 (5.48%) |
77 (6.23%) |
58 (5.82%) |
|
| Reading activities (7y) |
|
|
|
|
|
|
|
|
| Every week |
920 (51.31%) |
687 (49.57%) |
423 (48.18%) |
0.263
|
893 (48.96%) |
590 (47.77%) |
483 (48.45%) |
0.832
|
| Occasionally |
488 (27.22%) |
355 (25.61%) |
240 (27.33%) |
|
548 (30.04%) |
389 (31.50%) |
304 (30.49%) |
|
| Hardly ever |
173 (9.65%) |
142 (10.25%) |
94 (10.71%) |
|
168 (9.21%) |
98 (7.94%) |
90 (9.03%) |
|
| Missing |
212 (11.82%) |
202 (14.57%) |
121 (13.78%) |
|
215 (11.79%) |
158 (12.79%) |
120 (12.04%) |
|
| Outdoor activities (7y) |
|
|
|
|
|
|
|
|
| Most weeks |
1402 (78.19%) |
1017 (73.38%) |
657 (74.83%) |
0.032 |
1449 (79.44%) |
951 (77.00%) |
772 (77.43%) |
0.41
|
| Occasionally/hardly ever |
182 (10.15%) |
169 (12.19%) |
101 (11.50%) |
|
161 (8.83%) |
130 (10.53%) |
105 (10.53%) |
|
| Missing |
209 (11.66%) |
200 (14.43%) |
120 (13.67%) |
|
214 (11.73%) |
154 (12.47%) |
120 (12.04%) |
|
| Place in the sibling (7 y) |
|
|
|
|
|
|
|
|
| Single child |
115 (6.41%) |
103 (7.43%) |
76 (8.66%) |
0.024 |
119 (6.52%) |
107 (8.66%) |
79 (7.92%) |
0.344
|
| Eldest |
511 (28.50%) |
347 (25.04%) |
210 (23.92%) |
|
481 (26.37%) |
317 (25.67%) |
273 (27.38%) |
|
| ≥ 2 |
961 (53.60%) |
741 (53.46%) |
476 (54.21%) |
|
1015 (55.65%) |
661 (53.52%) |
528 (52.96%) |
|
| Missing |
206 (11.49%) |
195 (14.07%) |
116 (13.21%) |
|
209 (11.46%) |
150 (12.15%) |
117 (11.74%) |
|
| ACEs (7-16y) |
|
|
|
|
|
|
|
|
| None |
1285 (71.67%) |
891 (64.29%) |
545 (62.07%) |
<0.001 |
1322 (72.48%) |
827 (66.96%) |
626 (62.79%) |
<0.001 |
| One or more |
399 (22.25%) |
374 (26.98%) |
259 (29.50%) |
|
389 (21.33%) |
320 (25.91%) |
298 (29.89%) |
|
| Missing |
109 (6.08%) |
121 (8.73%) |
74 (8.43%) |
|
113 (6.20%) |
88 (7.13%) |
73 (7.32%) |
|
| Health problems in childhood (7-16y) |
|
|
|
|
|
|
|
|
| No |
1360 (75.85%) |
1002 (72.29%) |
626 (71.30%) |
0.014 |
1431 (78.45%) |
923 (74.74%) |
748 (75.03%) |
0.090
|
| Yes |
416 (23.20%) |
376 (27.13%) |
248 (28.25%) |
|
383 (21.00%) |
302 (24.45%) |
244 (24.47%) |
|
| Missing |
17 (0.95%) |
8 (0.58%) |
4 (0.46%) |
|
10 (0.55%) |
10 (0.81%) |
5 (0.50%) |
|
| Copy-a-Design test (7y) |
|
|
|
|
|
|
|
|
| Score: med [p25-p75] |
8[6–9] |
7[6–9] |
7[6–8] |
<0.001 |
8[6–9] |
7[6–8] |
7[6–8] |
<0.001 |
| Missing |
183 (10.21%) |
180 (12.99%) |
110 (12.53%) |
|
188 (10.31%) |
131 (10.61%) |
109 (10.93%) |
|
| Intermediate life course variables |
|
|
|
|
|
|
|
|
| Education level (23y) |
|
|
|
|
|
|
|
|
| A level |
468 (26.10%) |
270 (19.48%) |
117 (13.33%) |
<0.001 |
465 (25.49%) |
215 (17.41%) |
137 (13.74%) |
<0.001 |
| O level |
601 (33.52%) |
453 (32.68%) |
270 (30.75%) |
|
746 (40.90%) |
498 (40.32%) |
354 (35.51%) |
|
| No level |
471 (26.27%) |
456 (32.90%) |
353 (40.21%) |
|
409 (22.42%) |
366 (29.64%) |
365 (36.61%) |
|
| Missing |
253 (14.11%) |
207 (14.94%) |
138 (15.72%) |
|
204 (11.18%) |
156 (12.63%) |
141 (14.14%) |
|
| Malaise inventory (23y) |
|
|
|
|
|
|
|
|
| No psychological distress |
1497 (83.49%) |
1134 (81.82%) |
705 (80.30%) |
0.156
|
1508 (82.68%) |
951 (77.00%) |
737 (73.92%) |
<0.001 |
| Psychological distress |
42 (2.34%) |
45 (3.25%) |
33 (3.76%) |
|
109 (5.98%) |
127 (10.28%) |
121 (12.14%) |
|
| Missing |
254 (14.17%) |
207 (14.94%) |
140 (15.95%) |
|
207 (11.35%) |
157 (12.71%) |
139 (13.94%) |
|
| Sense of personal control (33y) |
|
|
|
|
|
|
|
|
| Internal |
1387 (77.36%) |
1018 (73.45%) |
628 (71.53%) |
0.012 |
1440 (78.95%) |
960 (77.73%) |
740 (74.22%) |
0.037 |
| External |
132 (7.36%) |
114 (8.23%) |
78 (8.88%) |
|
187 (10.25%) |
129 (10.45%) |
135 (13.54%) |
|
| Missing |
274 (15.28%) |
254 (18.33%) |
172 (19.59%) |
|
197 (10.80%) |
146 (11.82%) |
122 (12.24%) |
|
| Occupational social class (33y) |
|
|
|
|
|
|
|
|
| I & II |
713 (39.77%) |
460 (33.19%) |
245 (27.90%) |
<0.001 |
609 (33.39%) |
339 (27.45%) |
225 (22.57%) |
<0.001 |
| IIINM |
178 (9.93%) |
113 (8.15%) |
68 (7.74%) |
|
553 (30.32%) |
393 (31.82%) |
306 (30.69%) |
|
| IIIM |
442 (24.65%) |
396 (28.57%) |
265 (30.18%) |
|
108 (5.92%) |
77 (6.23%) |
70 (7.02%) |
|
| IV&V |
186 (10.37%) |
163 (11.76%) |
134 (15.26%) |
|
289 (15.84%) |
242 (19.60%) |
217 (21.77%) |
|
| Missing |
274 (15.28%) |
254 (18.33%) |
166 (18.91%) |
|
265 (14.53%) |
184 (14.90%) |
179 (17.95%) |
|
| Wealth (33y) |
|
|
|
|
|
|
|
|
| Owner highest price |
370 (20.64%) |
203 (14.65%) |
87 (9.91%) |
<0.001 |
395 (21.66%) |
186 (15.06%) |
118 (11.84%) |
<0.001 |
| Owner high price |
356 (19.85%) |
220 (15.87%) |
109 (12.41%) |
|
350 (19.19%) |
203 (16.44%) |
129 (12.94%) |
|
| Owner median price |
293 (16.34%) |
232 (16.74%) |
141 (16.06%) |
|
329 (18.04%) |
234 (18.95%) |
156 (15.65%) |
|
| Owner lowest price |
281 (15.67%) |
224 (16.16%) |
169 (19.25%) |
|
281 (15.41%) |
200 (16.19%) |
182 (18.25%) |
|
| Not owner |
273 (15.23%) |
293 (21.14%) |
231 (26.31%) |
|
274 (15.02%) |
270 (21.86%) |
299 (29.99%) |
|
| Missing |
220 (12.27%) |
214 (15.44%) |
141 (16.06%) |
|
195 (10.69%) |
142 (11.50%) |
113 (11.33%) |
|
| Smoking (42y) |
|
|
|
|
|
|
|
|
| Non-smoker |
894 (49.86%) |
572 (41.27%) |
297 (33.83%) |
<0.001 |
885 (48.52%) |
530 (42.91%) |
398 (39.92%) |
<0.001 |
| Ex smoker |
510 (28.44%) |
328 (23.67%) |
200 (22.78%) |
|
506 (27.74%) |
295 (23.89%) |
184 (18.46%) |
|
| Smoker < 10 cig./day |
130 (7.25%) |
108 (7.79%) |
51 (5.81%) |
|
143 (7.84%) |
85 (6.88%) |
65 (6.52%) |
|
| Smoker 10 to 19 cig./day |
90 (5.02%) |
116 (8.37%) |
99 (11.28%) |
|
134 (7.35%) |
166 (13.44%) |
118 (11.84%) |
|
| Smoker more than 20 cig./day |
116 (6.47%) |
203 (14.65%) |
200 (22.78%) |
|
106 (5.81%) |
129 (10.45%) |
193 (19.36%) |
|
| Missing |
53 (2.96%) |
59 (4.26%) |
31 (3.53%) |
|
50 (2.74%) |
30 (2.43%) |
39 (3.91%) |
|
| Alcohol consumption (42y) |
|
|
|
|
|
|
|
|
| Moderate |
1078 (60.12%) |
730 (52.67%) |
375 (42.71%) |
<0.001 |
1249 (68.48%) |
769 (62.27%) |
542 (54.36%) |
<0.001 |
| Abstinent |
237 (13.22%) |
233 (16.81%) |
192 (21.87%) |
|
416 (22.81%) |
364 (29.47%) |
346 (34.70%) |
|
| High |
425 (23.70%) |
365 (26.33%) |
280 (31.89%) |
|
109 (5.98%) |
72 (5.83%) |
70 (7.02%) |
|
| Missing |
53 (2.96%) |
58 (4.18%) |
31 (3.53%) |
|
50 (2.74%) |
30 (2.43%) |
39 (3.91%) |
|
| Physical activity (42y) |
|
|
|
|
|
|
|
|
| Active |
1253 (69.88%) |
877 (63.28%) |
487 (55.47%) |
<0.001 |
1252 (68.64%) |
793 (64.21%) |
557 (55.87%) |
<0.001 |
| Moderate |
168 (9.37%) |
122 (8.80%) |
90 (10.25%) |
|
124 (6.80%) |
103 (8.34%) |
71 (7.12%) |
|
| Inactive |
318 (17.74%) |
329 (23.74%) |
270 (30.75%) |
|
398 (21.82%) |
308 (24.94%) |
330 (33.10%) |
|
| Missing |
54 (3.01%) |
58 (4.18%) |
31 (3.53%) |
|
50 (2.74%) |
31 (2.51%) |
39 (3.91%) |
|
