Table 1 Characteristics of study population
ASHFS N = 658 | CDAH-1 N = 702 | CDAH-2 N = 702 | CDAH-3 N = 702 | |
|---|---|---|---|---|
Age, mean (SD) | 11.9 (2.0) | 32.0 (2.1) | 36.9 (2.1) | 44.5 (2.2) |
Sex (male), % (n) | 47.6 (313) | 47.3 (332) | 47.3 (332) | 47.3 (332) |
Body mass index (kg/m2), mean (SD) | 18.5 (2.6) | 26.0 (4.8) | 26.6 (4.7) | 28.0 (5.5) |
Self-reported health, % (n) | N = 658 | N = 673 | N = 377 | N = 633 |
Excellent | 37.2 (245) | 17.1 (115) | 15.1 (57) | 18.8 (119) |
Very good | 42.6 (280) | 43.7 (294) | 43.5 (164) | 43.1 (273) |
Good | 19.3 (127) | 32.5 (219) | 34.0 (128) | 31.0 (196) |
Fair & Poor | 0.9 (6) | 6.7 (45) | 7.4 (28) | 7.1 (45) |
Teacher-reported scholastic ability, % (n) | N = 658 | |||
Excellent | 13.1 (86) | |||
Very good | 36.5 (240) | |||
Good | 38.3 (252) | |||
Fair | 10.5 (69) | |||
Poor | 1.7 (11) | |||
Area-level socio-economic status, % (n) | N = 658 | |||
Low | 7.0 (46) | |||
Medium low | 35.2 (231) | |||
Medium high | 29.3 (193) | |||
High | 28.5 (187) | |||
Highest education level, % (n) | N = 676 | N = 599 | N = 520 | |
High | 40.2 (272) | 42.6 (255) | 46.5 (242) | |
Medium | 31.2 (211) | 32.4 (194) | 49.8 (259) | |
Low | 28.6 (193) | 25.0 (150) | 3.7 (19) | |
Occupation, % (n) | N = 678 | N = 376 | N = 517 | |
Managers/professionals | 55.3 (347) | 53.5 (201) | 61.1 (316) | |
White collar | 15.0 (94) | 19.7 (74) | 14.1 (73) | |
Blue collar | 17.8 (112) | 15.7 (59) | 14.9 (77) | |
Not in labour force | 11.9 (75) | 11.1 (42) | 9.9 (51) | |
Marital status, % (n) | N = 702 | N = 377 | N = 526 | |
Single | 35.9 (252) | 15.7 (59) | 10.1 (53) | |
Married/partnered | 61.8 (434) | 79.3 (299) | 81.1 (426) | |
Divorced/separated | 2.3 (16) | 5.0 (19) | 8.8 (46) | |
Widowed | 0 (0) | 0 (0) | 0.2 (1) | |
Children, mean (SD) | 1.6 (1.1) | 1.6 (1.3) | 2.0 (1.2) | |
Smoking duration, % (n) | N = 658 | |||
“I don’t smoke” | 90.1 (593) | |||
“Just started” | 2.1 (14) | |||
1–6 months | 1.8 (12) | |||
7–12 months | 1.4 (9) | |||
1–2 years | 2.4 (16) | |||
>2 years | 2.2 (14) | |||
Smoking frequency, % (n) | N = 675 | N = 376 | N = 495 | |
Never | 53.9 (364) | 53.2 (200) | 57.2 (283) | |
Ex-smoker | 24.4 (165) | 31.1 (117) | 32.7 (162) | |
Less than weekly | 2.8 (19) | 1.1 (4) | 0.6 (3) | |
Weekly | 2.8 (19) | 1.1 (4) | 1.4 (7) | |
Daily | 16.0 (108) | 13.5 (51) | 8.1 (40) | |
Transport-related physical activity (mins/week), median (IQR) | 24.0 (0.0–80.0) | 50.0 (0.0-140.0) | 60.0 (0.0-180.0) | 60.0 (0.0-164.0) |