Table 2 Actor and partner effects of socioeconomic position on subjective and objective caregiver burden: Unadjusted and adjusted odds ratios (OR) and their 95% confidence intervals (CI) from logistic regressions
|  | High subjective caregiver burden (ZBI-s ≥ 12) | High objective caregiver burden (≥3 h of daily caregiving) | ||
|---|---|---|---|---|
Model 1 | Model 2 | Model 1 | Model 2 | |
OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Actor effects | ||||
 Net-equivalent household income | ||||
  Per CHF 1000 | 0.93 (0.69–1.26) | 0.94 (0.66–1.34) | 0.96 (0.71–1.29) | 0.88 (0.61–1.28) |
 Years of formal education | ||||
  Per year | 0.89 (0.74–0.98)* | 0.94 (0.79–1.12) | 0.84 (0.71–0.99)* | 0.88 (0.73–1.00)* |
 Subjective social position |  | |||
  0–10 | 0.71 (0.52–0.96)* | 0.66 (0.48–0.92)* | 0.92 (0.70–1.20) | 0.90 (0.67–1.22) |
 Financial strain | ||||
  No | Reference | Reference | Reference | Reference |
  Yes | 2.08 (0.81–5.31) | 2.34 (0.86–6.39) | 2.20 (1.01–4.80)* | 2.51 (1.05–6.02)* |
 Home ownership | ||||
  No | Reference | Reference | Reference | Reference |
  Yes | 0.26 (0.10–0.67)** | 0.17 (0.05–0.53)** | 1.11 (0.43–2.85) | 0.87 (0.29–2.62) |
Partner effects | ||||
 Net-equivalent household income | ||||
  Per CHF 1000 | 0.84 (0.61–1.15) | 0.87 (0.59–1.27) | 0.99 (0.76–1.30) | 1.15 (0.82–1.62) |
 Years of formal education | ||||
  Per year | 0.92 (0.79–1.07) | 0.96 (0.81–1.14) | 0.82 (0.71–0.94)** | 0.84 (0.72–0.97)* |
 Subjective social position | ||||
  0–10 | 0.87 (0.67–1.12) | 1.00 (0.73–1.38) | 0.89 (0.72–1.10) | 1.20 (0.90–1.59) |
 Financial strain | ||||
  No | Reference | Reference | Reference | Reference |
  Yes | 1.23 (0.46–3.23) | 0.82 (0.28–2.42) | 1.84 (0.84–4.04) | 0.99 (0.40–2.49) |
 Home ownership | ||||
  No | Reference | Reference | Reference | Reference |
  Yes | 0.26 (0.10–0.67)** | 0.19 (0.06–0.58)** | 0.98 (0.44–2.17) | 0.91 (0.34–2.47) |