Table 1 Characteristics of all participants
From: The association of polyunsaturated fatty acids and asthma: a cross-sectional study
Variables | Total (n = 14,727) | Asthma group (n = 2265) | Non-asthma group (n = 12,462) | P |
|---|---|---|---|---|
Age, (years), mean (S.E) | 7.11 (0.04) | 7.86 (0.08) | 6.98 (0.04) | < 0.001 |
Age, (years), n (%) | < 0.001 | |||
≥ 2 and < 5 | 4368 (26.28) | 489 (17.22) | 3879 (27.82) | |
≥ 5 and < 7 | 2546 (17.85) | 384 (16.89) | 2162 (18.01) | |
≥ 7 and ≤ 12 | 7813 (55.87) | 1392 (65.89) | 6421 (54.16) | |
Gender, n (%) | < 0.001 | |||
Male | 7384 (50.94) | 1318 (58.67) | 6066 (49.62) | |
Female | 7343 (49.06) | 947 (41.33) | 6396 (50.38) | |
Race/ethnicity, n (%) | < 0.001 | |||
Mexican American | 3831 (14.52) | 410 (10.79) | 3421 (15.16) | |
Other Hispanic | 1261 (6.64) | 235 (8.06) | 1026 (6.40) | |
Non-Hispanic White | 4431 (57.41) | 601 (53.15) | 3830 (58.13) | |
Non-Hispanic Black | 3891 (13.75) | 804 (19.87) | 3087 (12.70) | |
Other | 1313 (7.68) | 215 (8.13) | 1098 (7.60) | |
Standing height (cm), Mean (S.E) | 125.86 (0.25) | 130.91 (0.57) | 124.99 (0.27) | < 0.001 |
Weight (kg), mean (S.E) | 30.53 (0.18) | 34.83 (0.48) | 29.79 (0.19) | < 0.001 |
BMI (kg/m2), mean (S.E) | 18.07 (0.05) | 19.14 (0.13) | 17.88 (0.05) | < 0.001 |
Mother's age (years), mean (S.E) | 27.38 (0.11) | 26.90 (0.21) | 27.46 (0.11) | 0.007 |
Weight at birth (pounds), mean (S.E) | 6.87 (0.02) | 6.71 (0.04) | 6.90 (0.02) | < 0.001 |
Maternal smoking during pregnancy, n (%) | < 0.001 | |||
Yes | 1901 (14.76) | 393 (18.99) | 1508 (14.04) | |
No | 12,826 (85.24) | 1872 (81.01) | 10,954 (85.96) | |
Family PIR, mean (S.E) | 2.41 (0.04) | 2.30 (0.06) | 2.43 (0.04) | 0.013 |
Cotinine (ng/mL), mean (S.E) | 0.54 (0.04) | 0.57 (0.05) | 0.54 (0.04) | 0.501 |
Energy (kcal), mean (S.E) | 1827.97 (7.82) | 1950.55 (23.47) | 1807.09 (7.95) | < 0.001 |
Total fat (gm), Mean (S.E) | 67.72 (0.39) | 72.93 (1.02) | 66.84 (0.41) | < 0.001 |