Table 1.
Characteristics of 17 year old adolescents providing dietary intake data in the Western Australian Pregnancy Cohort (Raine) Study.
| Total Population (n = 991) | Supplement Users (n = 238) | Non-Users (n = 753) | p value | ||
|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | |||
| Sex | 0.061 | ||||
| Male | 454 (45.8) | 96 (40.3) | 358 (47.5) | ||
| Female | 537 (54.2) | 142 (59.7) | 395 (52.5) | ||
| BMI category | 0.165 | ||||
| Underweight | 65 (7.7) | 13 (6.2) | 52 (8.3) | ||
| Healthy weight | 606 (72.1) | 158 (75.2) | 448 (71.1) | ||
| Overweight | 108 (12.9) | 30 (14.3) | 78 (12.4) | ||
| Obese | 61 (7.3) | 9 (4.3) | 52 (8.3) | ||
| Computer and/or television use | 0.273 | ||||
| <2 h per day | 33 (3.6) | 11 (4.6) | 22 (2.9) | ||
| 2–4 h per day | 486 (53.1) | 124 (52.1) | 362 (48.1) | ||
| >4 h per day | 397 (43.3) | 89 (39.8) | 308 (40.9) | ||
| Physical activity | |||||
| Once per week or less | 186 (19.7) | 42 (18.4) | 144 (20.2) | 0.013 * | |
| 1–3 times per week | 512 (54.4) | 110 (48.2) | 402 (53.4) | ||
| 4+ times per week | 244 (25.9) | 76 (33.3) | 168 (23.5) | ||
| Maternal Education | 0.082 | ||||
| <12 years of education | 551 (55.7) | 122 (51.3) | 429 (57.1) | ||
| >12 years of education | 438 (44.3) | 116 (48.7) | 322 (42.9) | ||
| Annual Family income 1 | 0.214 | ||||
| <$35,000 | 118 (13.0) | 34 (15.5) | 84 (12.3) | ||
| >$35,001–$70,000 | 228 (25.2) | 47 (21.4) | 181 (26.4) | ||
| >$70,001 | 559 (61.8) | 139 (63.2) | 420 (61.3) | ||
1 Average gross salary in Australia in 2009 was $63, 612 [26]; * Significant at p < 0.05.