Table 5 Predicting factors for caregiver Physical Functioning according to stepwise linear regression models (N = 300)
From: Quality of life among family caregivers of cancer patients: an investigation of SF-36 domains
Independent variables | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | Model 7 | Model 8 |
|---|---|---|---|---|---|---|---|---|
F value | 18.27 | 13.03 | 10.71 | 9.41 | 8.67 | 8.16 | 7.65 | 8.45 |
Corrected R-squared | 0.05 | 0.07 | 0.08 | 0.10 | 0.11 | 0.12 | 0.13 | 0.13 |
Coefficients (95% CI) | ||||||||
Constants | 77.10*** (74.61, 79.59) | 77.55*** (75.06, 80.03) | 75.68*** (72.77, 78.59) | 76.95*** (73.85, 80.05) | 77.94*** (74.75, 81.13) | 76.47*** (73.04, 79.89) | 77.41*** (73.88, 80.94) | 78.84*** (75.76, 81.91) |
(1) Employment status (Retired) | -12.86*** (-18.78, -6.94) | -12.89*** (-18.74, -7.03) | -12.80*** (-18.62, -6.99) | -12.31*** (-18.10, -6.53) | -12.61*** (-18.36, -6.86) | -11.06*** (-16.94, -5.19) | -11.15*** (-16.99, -5.30) | -11.20*** (-17.06, -5.34) |
(2) ECOG (4) | -22.07** (-38.02, -6.11) | -20.21* (-36.12, -4.30) | -21.56** (-37.41, -5.72) | -22.50** (-38.26, -6.75) | -22.34** (-37.99, -6.70) | -23.25** (-38.85, -7.66) | -24.68** (-40.22, -9.15) | |
(3) Stage of cancer (3) | 5.80* (1.00, 10.61) | 5.59* (0.82, 10.36) | 4.78 (-0.009, 9.57) | 4.66 (-0.09, 9.42) | 3.90 (-0.89, 8.69) | |||
(4) Duration of caregiving (≥ 24 months) | -6.33* (-11.86, -0.79) | -7.02* (-12.55, -1.49) | -7.14* (-12.63, -1.64) | -7.35** (-12.82, -1.88) | -7.61** (-13.09, -2.14) | |||
(5) ECOG (3) | -13.14* (-24.49, -1.78) | -13.90* (-25.20, -2.60) | -14.80* (-26.08, -3.53) | -16.25** (-27.41, -5.09) | ||||
(6) Employment status (Governmental employed) | 6.32* (0.75, 11.88) | 6.21* (0.67, 11.74) | 6.29* (0.74, 11.83) | |||||
(7) Type of cancer (Brain) | -9.47* (-18.70, -0.23) | -10.64* (-19.78, -1.49) | ||||||