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. 2025 Jan 7;20(1):e0313168. doi: 10.1371/journal.pone.0313168

Table 5. Recursive bivariate probit analysis.

2000 20004 2008
β (95% C.I) β (95% C.I) β (95% C.I)
GP Visit
Outpatient -0.270 (-0.999, 0.459) -0.085(-0.968, 0.798) 0.137(-0.661, 0.935)
Married 0.105(0.001, 0.209) -0.054(-0.162, 0.053) 0.001(-0.115, 0.118)
Hours 0.000(-0.003, 0.004) -0.000(-0.004, 0.004) -0.000(-0.005, 0.004)
Employed -0.110(-0.255, 0.035) -0.060(-0.217, 0.096) 0.045(-0.151, 0.241)
Age -0.268(-0.427, -0.108) -0.110(-0.285, 0.063) -0.311(-0.502, -0.119)
Smoker 0.005(-0.091, 0.101) -0.068(-0.171, 0.035) -0.085(-0.207, 0.035)
Male -0.497(-0.591, -0.403) -0.485(-0.581, -0.389) -0.414(-0.522, -0.306)
Degree -0.017(-0.134, 0.100) -0.035(-0.152, 0.081) 0.043(-0.078, 0.165)
Morbidity 0.655(0.354, 0.957) 0.764(0.394, 1.134) 0.790(0.449, 1.131)
Morbidity square -0.047(-0.082, -0.013) -0.025(-0.063, 0.012) -0.060(-0.105, -0.015)
Arms -0.019(-0.319, 0.281) -0.312(-0.649, 0.023) -0.104(-0.462, 0.254)
Hearing -0.372(-0.728, -0.016) -0.469(-0.839, -0.099) -0.414(-0.828, 0.000)
Heart 0.126(-0.270, 0.523) 0.089(-0.316, 0.495) 0.311(-0.088, 0.710)
Chest -0.192(-0.525, 0.139) -0.355(-0.742, 0.031) -0.226(-0.592, 0.138)
Depression 0.298(-0.143, 0.740) 0.090(-0.368, 0.549) 0.487(-0.067, 1.042)
Diabetes 0.025(-0.493, 0.544) -0.053(-0.589, 0.483) 0.259(-0.295, 0.815)
Sight -0.174(-0.623, 0.274) -0.717(-1.143, -0.291) -0.525(-0.963, -0.087)
Skin -0.289(-0.614, 0.034) -0.400(-0.758, -0.043) -0.457(-0.814, -0.100)
Migraine -0.321(-0.665, 0.021) -0.606(-0.995, -0.216) -0.255(-0.648, 0.137)
Stomach -0.043(-0.393, 0.307) 0.097(-0.295, 0.491) 0 omitted
Other health problem 0 omitted 0 omitted 0.510(0.193, 0.827)
Household Income
2 0.014(-0.182, 0.212) 0.181(-0.049, 0.412) -0.151(-0.393, 0.090)
3 -0.057(-0.246, 0.131) 0.190(-0.027, 0.408) -0.020(-0.252, 0.211)
4 -0.077(-0.261, 0.106) 0.206(-0.007, 0.419) -0.030(-0.257, 0.195)
5 0.017(-0.170, 0.205) 0.175(-0.036, 0.395) -0.036(-0.264, 0.191)
Outpatient Visit
Hours 0.001(-0.002, 0.005) 0.002(-0.001, 0.006) 0.005(0.000, 0.010)
Married 0.136(0.027, 0.245) 0.116(0.007, 0.226) -0.017(-0.130, 0.095)
Employed -0.005(-0.156, 0.144) -0.108(-0.261, 0.045) -0.101(-0.286, 0.083)
Age -0.142(-0.310, 0.025) 0.094(-0.090, 0.279) 0.218(0.041, 0.394)
Male -0.236(-0.334, -0.138) -0.211(-0.309, -0.112) -0.232(-0.339, -0.125)
Smoker 0.059(-0.040, 0.160) -0.033(-0.141, 0.075) 0.095(-0.020, 0.212)
Degree -0.061(-0.186, 0.064) 0.027(-0.091, 0.146) -0.053(-0.175, 0.068)
Morbidity 0.903(0.684, 1.121) 1.019(0.787, 1.251) 0.705(0.478, 0.932)
Morbidity square 0.001(-0.027, 0.031) -0.053(-0.078, -0.028) -0.056(-0.085, -0.026)
Arms -0.432(-0.658, -0.207) -0.460(-0.702, -0.218) -0.113(-0.352, 0.125)
Hearing -0.703(-1.001, -0.405) -0.331(-0.630, -0.329) -0.465(-0.759, -0.170)
Heart -0.493(-0.756, -0.231) -0.517(-0.787, -0.248) -0.304(-0.564, -0.043)
Chest -0.749(-0.988, -0.509) -0.753(-1.015, -0.490) -0.428(-0.685, -0.170)
Depression -0.995(-1.282, -0.708) -0.629(-0.931, -0.328) -0.276(-0.590, 0.037)
Diabetes 0.170(-0.244, 0.586) -0.283(-0.668, 0.101) 0.182(-0.153, 0.519)
Sight -0.989 (-1.345, -0.634) -0.622(-0.984, -0.261) -0.408(-0.747, -0.068)
Skin -0.801(-1.041, -0.561) -0.672(-0.930, -0.414) -0.374(-0.618, -0.129)
Migraine -0.723(-0.972, -0.475) -0.849(-1.130, -0.568) -0.234(-0.508, 0.039)
Stomach -0.335(-0.606, -0.065) -0.117(-0.400, 0.164) 0 omitted
Other health problem 0 omitted 0 omitted 0.600(0.376, 0.825)
Household Income
2 -0.126(-0.329, 0.077) -0.077(-0.322, 0.167) 0.190(-0.043, 0.424)
3 -0.074(-0.270, 0.121) -0.052(-0.281, 0.176) 0.210(-0.010, 0.431)
4 -0.050(-0.242, 0.140) -0.110(-0.332, 0.111) 0.181(-0.035, 0.398)
5 0.047(-0.147, 0.242) -0.123(-0.349, 0.102) 0.199(-0.018, 0.416)
rho (correlation of residuals) 0.593(0.128, 1.059) 0.568(0.018, 1.118) 0.404(-0.041, 0.850)
n 4,796 4,416 3,891