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Table 2 Multilevel mixed effects estimates for SF36 general health component

From: A multilevel mixed effects analysis of informal carers health in Australia: the role of community participation, social support and trust at small area level

Variables (no. of observations = 12,767 and no. of SA1s = 5004) Model 1: Coeff (95% CI) Model 2: Coeff (95% CI) Model 3: Coeff (95% CI) Model 4: Coeff (95% CI) Model 5: Coeff (95% CI) Model 6: Coeff (95% CI) Model 7: Coeff (95% CI)
Variance (Individual-level random effects) 381.874***(370.388, 393.716) 376.868*** (365.081, 389.037) 363.916*** (352.640, 375.552) 340.609*** (330.159, 351.389) 335.010*** (324.729, 345.634) 281.753*** (273.349, 290.414) 281.744*** (273.339, 290.408)
Variance (SA1 level random effect) 51.784***(42.917, 62.483) 54.451***(44.969, 65.931) 43.959*** (35.467, 54.483) 31.729*** (24.525, 41.048) 32.350*** (25.171, 41.577) 13.973*** (9.359, 20.863) 13.960*** (9.346, 20.852)
Variance (Carer random slope)   67.163** (32.154, 140.29) 54.575** (23.572126.355) 36.886* (12.601, 107.967) 33.125* (10.240, 107.160) 37.124** (14.716, 93.652) 37.268** (14.7694, 94.042)
Covariance (Carer and SA1)   −17.374
(−38.073, 3.324)
     
Carer −5.045*** (−6.387, −3.704) − 5.336 *** (−6.773, − 3.899) −5.504*** (−6.88, −4.125) −4.302*** (− 5.614, −2.992) −4.264*** (− 5.555, − 2.973) − 1.135* (− 2.459, 0.189) −2.565 (− 14.750, 9.621)
Civic engagement, political participation and breadth of participation    0.071 (− 0.242, 0.385) −0.098 (− 0.398, 0.202) −0.302** (− 0.602, − 0.003) −.002 (− 0.279, 0.276) 0.009 (− 0.279, 0 .297)
Informal social connectedness    3.913*** (3.622, 4.205) 1.034*** (0.706, 1.362) 0.628*** (0.297, 0.959) 0.545*** (0.239, 0.851) 0.547*** (0.230, 0.865)
Personal social exclusion     −3.447*** (− 3.671, − 3.224) − 2.894*** (− 3.130, − 2.657) − 1.988*** (− 2.205, − 1.771) − 1.995*** (− 2.221, − 1.769)
Personal social cohesion     3.059*** (2.774, 3.343) 2.599*** (2.308, 2.890) 1.972*** (1.706, 2.237) 2.009***(1.732, 2.286)
Trust      1.753*** (1.442, 2.063) 2.416*** (2.125, 2.708) 2.348*** (2.045, 2.651)
Distrust      −1.170*** (− 1.401, −0.940) − 1.421*** (− 1.632, − 1.211) −1.409*** (− 1.629, − 1.191)
Carer # Civic engagement, political participation and breadth of participation        − 0.181 (−1.177, 0.815)
Carer # Informal social connectedness        0.467 (−0.637, 1.570)
Carer # Personal social exclusion        −1.886*** (−2.647, − 1.125)
Carer # Personal social cohesion        1.601*** (0 .680, 2.523)
Carer # Trust        3.207*** (2.197, 4.217)
Carer # Distrust        −1.589*** (−2.335, −0.843)
  1. Notes. All the p-values have been replaced by stars and categorised as follows. ***: p < 0.01; **: p < 0.05; *: p < 0.10; However, confidence intervals use the usual 95% confidence level. Model 1: Null model with SA1 random effects and carer status at individual level; Model 2: Model 1 added with carer random slopes at SA1 level; Model 3: Model 2 added with community participation at individual level; Model 4: Model 3 added with personal social connection at individual level; Model 5: Model 4 added with trust at individual level; Model 6: Model 5 added with other individual level confounders; Model 7: Model 6 with community and social connection interactions with Carer