TABLE 1.
Participant characteristics of the Guelph Family Health Study, by age group and sex.
| Characteristic | Mothers n = 216 | Fathers n = 149 | Parents overall n = 365 | Girls n = 138 | Boys n = 129 | Children overall n = 267 |
| Age (years), mean ± SD | 35.1 ± 4.6 | 36.4 ± 4.8 | 35.7 ± 4.7 | 3.5 ± 1.2 | 3.6 ± 1.3 | 3.6 ± 1.2 |
| BMI (kg/m2), mean ± SD, n | 26.8 ± 6.6, 212 | 27 ± 5.3, 142 | 26.8 ± 6.1, 354 | 0.5 ± 0.8, 1271 | 0.5 ± 0.8, 1151 | 0.5 ± 0.8, 2421 |
| Waist Circumference (cm), mean ± SD, n | 90.6 ± 15.6, 213 | 96.1 ± 13.9, 144 | 92.8 ± 15.1, 357 | 51.1 ± 3.4, 127 | 51.1 ± 3.2, 110 | 51.1 ± 3.3, 237 |
| Body weight (kg), mean ± SD, n | 72.7 ± 17.6, 212 | 86.9 ± 17.6, 142 | 78.4 ± 18.9, 354 | 15.4 ± 2.9, 136 | 16.1 ± 3.2, 127 | 15.8 ± 3.0, 263 |
| Fat mass (%), mean ± SD, n | 32.5 ± 9.2, 142 | 24.2 ± 8.9, 82 | 29.4 ± 9.9, 224 | 31.2 ± 5.5, 115 | 26.9 ± 4.6, 88 | 29.4 ± 5.5, 203 |
| Ethnicity, n (%) | ||||||
| White | 177 (81.9) | 117 (78.5) | 294 (80.5) | 106 (76.8) | 95 (73.6) | 201 (75.3) |
| Other2 | 39 (18.1) | 32 (21.5) | 71 (19.5) | 32 (23.2) | 34 (26.4) | 66 (24.7) |
| Annual Household Income, n (%) | ||||||
| Did not disclose or <$50,000 | 40 (18.5) | 26 (17.5) | 66 (18.1) | 23 (16.7) | 24 (18.6) | 47 (17.6) |
| 50,000 to $99,999 | 73 (33.8) | 47 (31.5) | 120 (32.9) | 43 (31.2) | 35 (27.1) | 78 (29.2) |
| 100,000 or more | 103 (47.7) | 76 (51) | 179 (49.1) | 72 (52.2) | 70 (54.2) | 142 (53.2) |
| Education, n (%) | ||||||
| No postsecondary degree | 21 (9.7) | 36 (24.2) | 57 (15.6) | – | – | – |
| University or college graduate | 107 (49.5) | 74 (49.7) | 181 (49.6) | – | – | – |
| Postgraduate training or degree | 88 (40.7) | 39 (26.2) | 127 (34.8) | – | – | – |
| Energy Intake (kcal), mean ± SD | 2007.3 ± 712.6 | 2508.6 ± 964.1 | 2211.9 ± 859.5 | 1369.4 ± 373.0 | 1451.2 ± 386.8 | 1408.9 ± 381.2 |
The total sample of participants from the GFHS included in this study was n = 365 parents and n = 267 children from 242 families. Missing BMI or BMI z-score data for 36 participants (11 parents and 25 children), waist circumference data for 38 participants (8 parents and 30 children), body weight data for 16 participants (n = 11 parents and n = 4 children) and fat mass (%) data for 205 participants (n = 141 parents and n = 64 children).
1BMI z-score, calculated per World Health Organization Child Growth Standards, adjusted for age and sex.
2Black, Chinese, Japanese, Korean, Latin American, Mixed ethnicity, South Asian, Southeast Asian, and West Asian or did not disclose.