Table 3.
Univariable and multivariable regression modelling of FVC Z-scores in 909 First Nations subjects.
| Univariable (n = 909) | Multivariable (n = 909) | ||||||
|---|---|---|---|---|---|---|---|
| Model A | Model B | ||||||
| β (95%CI) | p | β (95%CI) | p | β (95%CI) | p | ||
| Age when lung function undertaken (per 1 year increase) | −0.04 (−0.06, −0.03) | <0.01 | −0.04 (−0.06, −0.03) | <0.01 | −0.04 (−0.06, −0.03) | <0.01 | |
| Sex (Female) (n = 465) | 0.06 (−0.07, 0.19) | 0.33 | |||||
| Household smoking (n = 130) | −0.15 (−0.33, 0.04) | 0.12 | −0.16 (−0.34, 0.03) | 0.09 | −0.16 (−0.34, 0.02) | 0.09 | |
| Gestational age (weeks) | >36 (n = 464) | Reference | - | Reference | - | Reference | - |
| 34–36 (n = 45) | 0.07 (−0.23, 0.37) | 0.66 | 0.07 (−0.22, 0.37) | 0.63 | 0.06 (−0.23, 0.36) | 0.66 | |
| 30–34 (n = 10) | −0.33 (−0.95, 0.30) | 0.30 | −0.32 (−0.93, 0.29) | 0.30 | −0.32 (−0.93, 0.29) | 0.30 | |
| <30 (n = 6) | −1.23 (−2.03, −0.43) | <0.01 | −1.23 (−2.01, −0.44) | <0.01 | −1.23 (−2.01, −0.45) | <0.01 | |
| Unknown (n = 385) | −0.14 (−0.27, −0.00) | 0.05 | −0.11 (−0.24, 0.03) | 0.12 | −0.10 (−0.23, 0.03) | 0.14 | |
| Eczema | −0.11 (−0.40, 0.18) | 0.47 | |||||
| Hay fever | 0.02 (−0.24, 0.28) | 0.88 | |||||
| Rash | −0.13 (−0.43, 0.18) | 0.41 | |||||
| Ever-wheeze (n = 115) | −0.04 (−0.24, 0.15) | 0.67 | |||||
| Ever-pneumonia (n = 49) | −0.37 (−0.66, −0.09) | 0.01 | −0.40 (−0.68, −0.12) | <0.01 | |||
| Age (years) of first pneumonia | Never (n = 464) | Reference | - | Reference | - | ||
| 0–2 (n = 27) | −0.45 (−0.83, −0.06) | 0.02 | −0.50 (−0.88, −0.12) | 0.01 | |||
| 3–5 (n = 13) | −0.56 (−1.10, −0.01) | 0.05 | −0.63 (−1.17, −0.10) | 0.02 | |||
| >5 (n = 9) | 0.10 (−0.56, 0.75) | 0.77 | 0.22 (−0.42, 0.87) | 0.49 | |||