Supplement users, n (%) | Unadjusted models | Adjusted Model 1 | Adjusted Model 2 | Adjusted Model 2, women with high school or less | Adjusted Model 2, women with college or university | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
n = 749, R 2 = 0.14 | n = 749, R 2 = 0.17 | n = 419, adj. R 2 = 0.20 | n = 330, adj. R 2 = 0.09 | ||||||||
OR (95% CI) | p | OR (95% CI) | p | OR (95% CI) | p | OR (95% CI) | p | OR (95% CI) | p | ||
Ethnicity | |||||||||||
Europe | 249 (65.7) | Reference | Reference | Reference | Reference | Reference | |||||
South Asia | 84 (42.0) | 0.38 (0.27; 0.54) | <0.001 | 0.42 (0.28; 0.61) | <0.001 | 0.59 (0.39; 0.90) | 0.015 | 0.50 (0.28; 0.90) | 0.020 | 0.60 (0.31; 1.19) | 0.14 |
Middle East | 37 (29.4) | 0.22 (0.14; 0.34) | <0.001 | 0.28 (0.22; 0.87) | <0.001 | 0.43 (0.25; 0.73) | 0.002 | 0.32 (0.17; 0.61) | 0.001 | 0.71 (0.25; 2.00) | 0.51 |
Africa | 18 (29.0) | 0.21 (0.12; 0.39) | <0.001 | 0.26 (0.14; 0.50) | <0.001 | 0.42 (0.21; 0.84) | 0.014 | 0.31 (0.14; 0.69) | 0.004 | 1.56 (0.25; 9.82) | 0.63 |
East Asia | 19 (43.2) | 0.40 (0.21; 0.75) | 0.004 | 0.44 (0.22; 0.87) | 0.018 | 0.69 (0.33; 1.44) | 0.32 | 0.30 (0.10; 0.86) | 0.025 | 1.80 (0.53; 6.04) | 0.35 |
Age, years | - | 0.99 (0.96; 1.02) | 0.40 | 0.96 (0.92; 0.99) | 0.019 | 0.96 (0.93; 0.998) | 0.037 | 0.97 (0.93; 1.02) | 0.28 | 0.94 (0.88; 0.996) | 0.037 |
Parity | |||||||||||
0 | 214 (56.8) | Reference | Reference | Reference | Reference | Reference | |||||
≥ 1 | 193 (44.5) | 0.61 (0.46; 0.81) | <0.001 | 0.82 (0.59; 1.15) | 0.25 | 0.80 (0.57; 1.12) | 0.20 | 0.92 (0.57; 1.49) | 0.73 | 0.65 (0.40; 1.07) | 0.093 |
Planned pregnancy | |||||||||||
No | 125 (48.3) | 0.78 (0.58; 1.06) | 0.11 | 0.88 (0.63; 1.22) | 0.44 | 0.90 (0.64; 1.25) | 0.51 | 0.93 (0.60; 1.44) | 0.74 | 0.84 (0.50; 1.44) | 0.53 |
Yes | 268 (54.4) | Reference | Reference | Reference | Reference | Reference | |||||
Educational level | |||||||||||
High school or less | 188 (41.7) | 0.45 (0.34; 0.60) | <0.001 | 0.64 (0.45; 0.91) | 0.012 | 0.70 (0.49; 1.000) | 0.050 | ||||
College or university | 217 (61.3) | Reference | Reference | Reference | |||||||
Norwegian language skills | |||||||||||
Poor or quite poor | 23 (23.5) | 0.18 (0.11; 0.30) | <0.001 | 0.30 (0.17; 0.54) | <0.001 | 0.31 (0.16; 0.59) | <0.001 | 0.28 (0.07; 1.12) | 0.072 | ||
Average or quite good | 72 (34.0) | 0.31 (0.22; 0.43) | <0.001 | 0.51 (0.34; 0.76) | 0.001 | 0.42 (0.25; 0.71) | 0.001 | 0.62 (0.32; 1.22) | 0.17 | ||
Good | 312 (62.5) | Reference | Reference | Reference | Reference |