Table 2.
Association of family-weighted vulnerability score and vulnerability types by SUDI risk factors.
| SUDI risk factor | Family-weighted vulnerability score | Chaotic lifestyle | Socioeconomic | Psychosocial |
|---|---|---|---|---|
| DEMOGRAPHIC FACTORS | ||||
| Indigenous status | P < 0.0001 | P = 0.003 | P < 0.0001 | P = 0.0004 |
| Non-Indigenous* | Ref | −0.12 (0.94) | −0.22 (0.93) | 0.14 (0.93) |
| Indigenous | 6.2 (4.3, 8.1) | 0.44 (0.13, 0.75) | 0.84 (0.56, 1.12) | −0.52 (−0.83, −0.21) |
| Socioeconomic statusa (missing = 1) | ||||
| P= 0.002 | P = 0.17 | P= 0.0006 | P = 0.13 | |
| High* | Ref | −0.21 (0.13) | −0.42 (0.13) | 0.18 (0.13) |
| Moderate | 3.6 (1.1, 6.0) | 0.21 (−0.18, 0.61) | 0.45 (0.07, 0.83) | −0.30 (−0.61, 0.01) |
| Low | 3.4 (1.1, 5.6) | 0.30 (−0.01, 0.62) | 0.60 (0.30, 0.91) | −0.07 (−0.47, 0.32) |
| ANTENATAL AND BIRTH FACTORS | ||||
| Smoking during pregnancy (missing = 7) | ||||
| P< 0.0001 | P= 0.0001 | P< 0.0001 | P = 0.68 | |
| No* | Ref | −0.31 (0.85) | −0.30 (1.00) | −0.01 (0.61) |
| Yes | 5.5 (3.6, 7.3) | 0.51 (0.26, 0.76) | 0.54 (0.28, 0.80) | 0.06 (−0.21, 0.33) |
| Small for gestational age (missing = 3) | ||||
| P = 0.18 | P = 0.11 | P = 0.73 | P = 0.48 | |
| >25th percentile* | Ref | −0.10 (0.10) | −0.04 (0.10) | −0.07 (0.10) |
| 11–25th percentile | 2.6 (−0.3, 5.5) | 0.39 (0.03, 0.75) | 0.15 (−0.22, 0.51) | 0.21 (−0.15, 0.57) |
| <10th percentile | 1.1 (−0.8, 3.0) | 0.09 (−0.21, 0.38) | 0.05 (−0.25, 0.34) | 0.11 (−0.18, 0.41) |
| Pre-term birth (missing = 3) | ||||
| P = 0.24 | P = 0.15 | P = 0.11 | P = 0.95 | |
| No* | Ref | 0.04 (1.02) | −0.04 (0.99) | 0.01 (1.02) |
| Yes | 1.6 (−1.0, 4.1) | −0.28 (−0.66, 0.10) | 0.31 (−0.067, 0.70) | 0.01 (−0.37, 0.40) |
| ENVIRONMENTAL FACTORS | ||||
| Breastfeeding (missing = 6) | ||||
| P= 0.01 | P = 0.93 | P = 0.10 | P = 0.09 | |
| Yes* | Ref | 0.01 (0.96) | −0.14 (0.86) | −0.14 (0.83) |
| No | 3.7 (0.8, 6.7) | 0.01 (−0.25, 0.28) | 0.22 (−0.03, 0.48) | 0.22 (−0.02, 0.47) |
| Sleep position (missing = 12) | ||||
| P= 0.001 | P = 0.09 | P= 0.04 | P = 0.18 | |
| Supine* | Ref | 0.07 (0.08) | 0.03 (0.08) | −0.01 (0.09) |
| Side | 1.5 (−2.0, 4.9) | 0.00 (−0.37, 0.37) | 0.19 (−0.18, 0.56) | 0.24 (−0.13, 0.61) |
| Prone | −3.6 (−6.0, −1.4) | −0.37 (−0.72, −0.03) | −0.36 (−0.71, 0.02) | −0.18 (−0.52, 0.17) |
| Surface sharing (missing = 0) | ||||
| P= 0.0004 | P= 0.0002 | P= 0.04 | P= 0.05 | |
| No* | Ref | −0.21 (1.13) | −0.12 (1.00) | 0.11 (1.00) |
| Yes | 3.5 (1.7, 5.3) | 0.50 (0.23, 0.77) | 0.28 (0.02, 0.54) | −0.26 (−0.52, 0.00) |
| Solitary sleep (excludes cases of surface sharing = 97) | ||||
| P< 0.0001 | P= 0.0002 | P= 0.0013 | P = 0.49 | |
| No* | Ref | 0.18 (1.08) | 0.16 (1.05) | −0.03 (0.99) |
| Yes | −4.0 (– 6.0, −2.1) | −0.50 (−0.77, −0.24) | −0.44 (−0.71, −0.17) | 0.10 (−0.18, 0.37) |
| Sleep on soft surface (missing = 0) | ||||
| P = 0.29 | P = 0.68 | P = 0.38 | P = 0.25 | |
| No* | Ref | −0.02 (0.99) | 0.03 (1.030) | 0.04 (1.06) |
| Yes | −1.0 (−2.8, 0.9) | 0.07 (−024, 0.37) | −0.14 (−0.44, 0.17) | −0.18 (−0.48, 0.13) |
| Pillows in environment (missing = 0) | ||||
| P = 0.32 | P = 0.80 | P = 0.96 | P = 0.40 | |
| No* | Ref | −0.01 (0.97) | −0.00 (1.06) | −0.05 (0.93) |
| Yes | 0.9 (−0.9,2.7) | 0.03 (−0.23, 0.30) | 0.01 (−0.26, 0.27) | 0.11 (−0.15, 0.38) |
| Excess bedding (missing = 0) | ||||
| P= 0.01 | P= 0.003 | P = 0.47 | P = 0.96 | |
| No* | 6.0 (0.5) | −0.16 (0.87) | −0.04 (0.99) | −0.00 (0.93) |
| Yes | 1.9 (0.5, 3.4) | 0.40 (0.14, 0.66) | 0.10 (−0.17, 0.36) | 0.01 (−0.26, 0.27) |
*
Reference group.
a
Socioeconomic status of area of residence, classified using the Socio-Economic Indexes for Areas (SEIFA)—Index of Relative Socio-Economic Advantage and Disadvantage. Bold is used to indicate statistical significance.