Characteristics | Bivariate logistic regression | Mixed effect logistic regression model 1* | Mixed effect logistic regression model 2* | ||||||
---|---|---|---|---|---|---|---|---|---|
OR | 95% CI | p | OR | 95% CI | p | OR | 95% CI | p | |
Fixed effects | |||||||||
 Nursing staff | |||||||||
  Sex (0 = female, 1 = male) | 0.76 | 0.59–0.97 | 0.026 | 2.52 | 0.99–6.39 | 0.052 | 2.67 | 1.05–6.79 | 0.039 |
  Age (in years) | 1.00 | 1.00–1.01 | 0.408 | 1.00 | 1.00–1.01 | 0.235 | 1.00 | 0.99–1.01 | 0.227 |
  Interaction age*sex | – | – | – | 0.97 | 0.95–0.99 | 0.012 | 0.97 | 0.95–0.99 | 0.009 |
  Professional occupation (ref: nursing assistant) | |||||||||
   Licensed practical nurse | 1.73 | 1.46–2.04 | < 0.001 | 1.75 | 1.41–2.19 | < 0.001 | 1.77 | 1.42–2.21 | < 0.001 |
   Registered nurse/social educator | 2.06 | 1.71–2.46 | < 0.001 | 1.81 | 1.44–2.27 | < 0.001 | 1.81 | 1.44–2.27 | < 0.001 |
  Continuous health education (0 = yes, 1 = no) | 1.02 | 0.88–1.18 | 0.779 | – | – | – | – | – | – |
  Overall health (1 = very good, 5 = very bad) | 1.16 | 1.05–1.28 | 0.003 | 0.93 | 0.82–1.06 | 0.265 | 0.93 | 0.81–1.06 | 0.257 |
  Feeling exhausted (0 = no, 1 = yes) | 1.42 | 1.22–1.66 | < 0.001 | 1.14 | 0.93–1.41 | 0.216 | 1.13 | 0.92–1.39 | 0.256 |
  Psychological distress (0 = no, 1 = yes) | 1.84 | 1.52–2.23 | < 0.001 | 1.44 | 1.13–1.83 | 0.003 | 1.44 | 1.14–1.84 | 0.003 |
  Childhood (1 = very good, 5 = very difficult) | 1.16 | 1.08–1.25 | < 0.001 | 1.13 | 1.03–1.25 | 0.008 | 1.14 | 1.03–1.25 | 0.008 |
  Job satisfaction (1 = very satisfied, 5 = very unsatisfied) | 1.44 | 1.31–1.58 | < 0.001 | 1.13 | 0.99–1.28 | 0.064 | 1.13 | 0.99–1.28 | 0.069 |
  Intention to leave (0 = no, 1 = yes) | 1.83 | 1.59–2.12 | < 0.001 | 1.40 | 1.16–1.71 | 0.001 | 1.39 | 1.15–1.69 | 0.001 |
  Attitudes (8–40 ➔ higher score = poor attitudes) | 0.96 | 0.95–0.97 | < 0.001 | 1.15 | 1.03–1.28 | 0.010 | 1.15 | 1.03–1.28 | 0.011 |
  Attitudes (quadratic polynomial term) | – | – | – | 0.99 | 0.99–0.99 | 0.001 | 0.99 | 0.99–0.99 | 0.001 |
 Relational | |||||||||
  Resident aggression (0 = less aggression, 1 = high aggression) | 1.86 | 1.62–2.13 | < 0.001 | 1.39 | 1.17–1.64 | < 0.001 | 1.36 | 1.14–1.61 | 0.001 |
  Care-related conflicts (0 = few conflicts, 1 = high conflicts) | 2.02 | 1.76–2.32 | < 0.001 | 1.96 | 1.66–2.33 | < 0.001 | 1.97 | 1.66–2.33 | < 0.001 |
 Institutional | |||||||||
  Job demands (1–5 ➔ higher score = more demands) | 1.65 | 1.21–2.23 | 0.001 |  |  |  | 1.56 | 0.99–2.48 | 0.057 |
  Support from manager (1–5 ➔ higher score = less support) | 1.24 | 1.02–1.50 | 0.033 |  |  |  | 0.93 | 0.69–1.26 | 0.655 |
  Support from co-workers (1–5 ➔ higher score = less support) | 1.27 | 1.01–1.59 | 0.042 |  |  |  | 0.99 | 0.70–1.41 | 0.966 |
  Size (number of beds) | 1.00 | 1.00–1.00 | 0.889 |  |  |  | 1.00 | 1.00–1.00 | 0.595 |
  Location (ref: urban) | |||||||||
   Suburban | 1.13 | 0.97–1.31 | 0.128 |  |  |  | 1.20 | 0.97–1.50 | 0.096 |
   Rural | 1.20 | 1.00–1.45 | 0.049 |  |  |  | 1.23 | 0.94–1.62 | 0.135 |
Random effects | |||||||||
 N |  |  |  | 2773 | 2773 | ||||
 Intraclass Correlation Coefficient (ICC) |  |  |  | 0.012 | 0.008 | ||||
 Standard Error (SE) |  |  |  | 0.009 | 0.008 |