Table 8 Results of MLR outpatient analysis (sick group, age 18−) (n = 2641)

Income (log transformed)

1.051

(0.886, 1.246)

1.337

(1.172, 1.526)*

1.795

(1.570, 2.051)*

Age

1.080

(1.047, 1.113)*

1.079

(1.057, 1.101)*

0.969

(0.949, 0.990)*

Gender female (vs. male)

0.877

(0.646, 1.189)

1.028

(0.836, 1.264)

1.153

(0.946, 1.405)

Dual coverage yes (vs. no)

1.276

(0.602, 2.705)

0.961

(0.559, 1.655)

2.174

(1.409, 3.356)*

Region rural (vs. urban)

1.194

(0.871, 1.636)

0.639

(0.518, 0.788)*

0.716

(0.586, 0.876)*

Pearson goodness-of-fit test

Chi square (df) = 8389.083 (7281)

p value ≤ 0.001