Zero-inflated part | Negative binomial part | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Before multiple imputation | After multiple imputation | Before multiple imputation | After multiple imputation | |||||||||||||
OR | 95% CI | aOR | 95% CI | OR | 95% CI | aOR | 95% CI | IRR | 95% CI | aIRR | 95% CI | IRR | 95% CI | aIRR | 95% CI | |
Language proficiency (n = 2610) | ||||||||||||||||
Native (ref) | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — |
Full | 1.35 | (0.93,1.95) | 1.16 | (0.79,1.71) | 1.37 | (0.95,1.98) | 1.24 | (0.86,1.79) | 1.36 | (1.22,1.51) | 1.34 | (1.20,1.50) | 1.37 | (1.24,1.52) | 1.35 | (1.22,1.50) |
Intermediate | 1.51 | (0.98,2.34) | 1.41 | (0.85,2.33) | 1.62 | (1.05,2.50) | 1.47 | (0.94,2.30) | 1.46 | (1.29,1.65) | 1.37 | (1.18,1.59) | 1.48 | (1.30,1.69) | 1.41 | (1.23,1.61) |
Limited | 0.49 | (0.18,1.32) | 0.51 | (0.21,1.27) | 0.55 | (0.22,1.39) | 0.58 | (0.26,1.33) | 1.71 | (1.49,1.97) | 1.71 | (1.45,2.00) | 1.78 | (1.51,2.11) | 1.72 | (1.45,2.05) |
Age (n = 2610) | ||||||||||||||||
18–24 | 0.76 | (0.43,1.33) | 0.86 | (0.54,1.38) | 0.78 | (0.44,1.36) | 0.81 | (0.51,1.29) | 1.03 | (0.91,1.15) | 1.02 | (0.90,1.16) | 1.04 | (0.92,1.18) | 1.01 | (0.89,1.14) |
25–34 (ref) | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — |
≥ 35 | 1.23 | (0.85,1.77) | 1.15 | (0.80,1.65) | 1.23 | (0.85,1.78) | 1.18 | (0.83,1.66) | 0.96 | (0.86,1.06) | 1.02 | (0.92,1.14) | 0.94 | (0.85,1.04) | 0.98 | (0.89,1.08) |
Highest education level attained (n = 2609) | ||||||||||||||||
Post-secondary (> 12th grade) (ref) | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — |
Upper-secondary (12th grade) | 2.38 | (1.30,4.33) | 2.50 | (1.31,4.77) | 2.50 | (1.34,4.67) | 2.63 | (1.48,4.66) | 1.07 | (0.96,1.19) | 1.06 | (0.94,1.20) | 1.06 | (0.95,1.17) | 1.02 | (0.91,1.13) |
< Upper-secondary | 3.61 | (1.96,6.63) | 3.53 | (1.91,6.54) | 3.84 | (2.04,7.25) | 3.74 | (2.11,6.63) | 1.17 | (1.04,1.30) | 1.11 | (0.97,1.26) | 1.19 | (1.06,1.33) | 1.11 | (0.99,1.25) |
Healthcare system used (n = 2554) | ||||||||||||||||
National health services | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — |
Extra individual health insurance plan | 0.64 | (0.42,0.97) | 0.89 | (0.58,1.38) | 0.61 | (0.39,0.94) | 0.97 | (0.66,1.43) | 0.82 | (0.74,0.90) | 0.94 | (0.84,1.05) | 0.83 | (0.75,0.91) | 0.96 | (0.86,1.06) |
Administrative health region (n = 2610) | ||||||||||||||||
Lisbon and Tagus valley (ref) | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — |
Center | 1.30 | (0.76,2.21) | 1.58 | (0.93,2.68) | 1.10 | (0.64,1.91) | 1.55 | (0.95,2.55) | 0.80 | (0.69,0.93) | 0.85 | (0.73,0.99) | 0.82 | (0.71,0.94) | 0.87 | (0.76,1.00) |
North | 1.37 | (0.91,2.05) | 1.37 | (0.90,2.08) | 1.28 | (0.86,1.91) | 1.45 | (0.98,2.16) | 0.84 | (0.74,0.95) | 0.84 | (0.74,0.94) | 0.83 | (0.75,0.93) | 0.86 | (0.77,0.95) |
Algarve | 0.99 | (0.50,1.95) | 0.98 | (0.51,1.88) | 0.99 | (0.50,1.96) | 1.07 | (0.58,1.95) | 1.01 | (0.86,1.18) | 1.06 | (0.90,1.24) | 0.99 | (0.84,1.18) | 1.00 | (0.85,1.18) |
Parity (n = 2500) | ||||||||||||||||
Multiparous (ref) | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — |
Primiparous | 0.53 | (0.36,0.77) | 0.68 | (0.47,0.99) | 0.52 | (0.35,0.76) | 0.71 | (0.50,1.02) | 1.04 | (0.94,1.14) | 1.06 | (0.96,1.18) | 1.02 | (0.93,1.12) | 1.07 | (0.98,1.18) |
Complications during pregnancya (n = 2553) | ||||||||||||||||
No (ref) | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — | 1.00 | — |
Yes | 0.71 | (0.47,1.07) | 0.73 | (0.50,1.07) | 0.69 | (0.45,1.06) | 0.68 | (0.47,0.97) | 1.04 | (0.94,1.14) | 1.06 | (0.96,1.17) | 1.03 | (0.94,1.14) | 1.05 | (0.95,1.15) |