Table 1 Sociodemographic characteristics and descriptive analysis of MOC
Variable | Total | Good PCS | Poor PCS | P | Good MCS | Poor MCS | P |
|---|---|---|---|---|---|---|---|
N(%) | N(%) | N(%) | N(%) | N(%) | |||
| Â | 613(100) | 460(75.0) | 153(25.0) | Â | 460(75.0) | 153(25.0) | Â |
Sex | Â | Â | Â | 0.085 | Â | Â | 0.702 |
 Male | 165(26.9) | 132(80.0) | 33(20.0) |  | 122(73.9) | 43(26.1) |  |
 Female | 448(73.1) | 328(73.2) | 120(26.8) |  | 338(75.4) | 110(24.6) |  |
Age(year) | Â | Â | Â | 0.001 | Â | Â | 0.913 |
 60–69 | 486(79.3) | 386(79.4) | 100(20.6) |  | 363(74.7) | 123(25.3) |  |
 70–69 | 103(16.8) | 65(63.1) | 38(36.9) |  | 79(76.7) | 24(23.3) |  |
 80- | 24(3.9) | 9(37.5) | 15(62.5) |  | 18(75.0) | 6(25.0) |  |
Hukou | Â | Â | Â | 0.017 | Â | Â | 0.112 |
 Rural | 525(85.6) | 385(73.3) | 140(26.7) |  | 388(73.9) | 137(26.1) |  |
 Urban | 88(14.4) | 75(85.2) | 13(14.8) |  | 72(81.8) | 16(18.9) |  |
Marriage Status | Â | Â | Â | 0.015 | Â | Â | 0.015 |
 Married | 539(87.9) | 413(76.6) | 126(23.4) |  | 413(76.6) | 126(23.4) |  |
 Mateless | 74(12.1) | 47(63.5) | 27(36.5) |  | 47(63.5) | 27(36.5) |  |
Education | Â | Â | Â | 0.004 | Â | Â | 0.155 |
 Illiterate | 161(26.3) | 110(68.3) | 51(31.7) |  | 113(70.2) | 48(29.8) |  |
 Primary school | 185(30.2) | 132(71.4) | 53(28.6) |  | 149(80.5) | 36(19.5) |  |
 Junior high school | 158(25.8) | 124(78.5) | 34(21.5) |  | 116(73.4) | 42(26.6) |  |
 High school and above | 109(17.7) | 94(86.2) | 15(13.8) |  | 82(75.2) | 27(24.8) |  |
Have Any Income | Â | Â | Â | 0.017 | Â | Â | 0.633 |
 Yes | 179(29.2) | 146(81.6) | 33(18.4) |  | 132(73.7) | 47(26.3) |  |
 No | 434(70.8) | 314(72.4) | 120(27.6) |  | 328(75.6) | 106(24.4) |  |
Source of Living Expenses | Â | Â | Â | 0.002 | Â | Â | 0.340 |
 Own | 214(34.9) | 170(79.4) | 44(20.6) |  | 162(75.7) | 52(24.3) |  |
 Spouse and children | 393(64.0) | 289(73.5) | 104(26.4) |  | 292(74.3) | 101(25.7) |  |
 Others | 6(0.1) | 1(16.7) | 5(83.3) |  | 6(100.0) | 0(0.0) |  |
Migration Willing | Â | Â | Â | 0.619 | Â | Â | 0.037 |
 Reluctant | 56(9.2) | 39(69.6) | 17(30.4) |  | 35(62.5) | 21(37.5) |  |
 Neutral | 45(7.3) | 34(75.6) | 11(24.4) |  | 31(68.9) | 14(31.1) |  |
 Willing | 512(83.5) | 387(75.6) | 125(24.4) |  | 394(77.0) | 118(23.0) |  |
Type of Accompanying Space | Â | Â | Â | 0.681 | Â | Â | 0.012 |
 Cross-district/county | 430(70.1) | 323(75.1) | 107(24.9) |  | 337(78.4) | 93(21.6) |  |
 Cross prefecture level cities | 130(21.2) | 95(73.1) | 35(26.9) |  | 86(66.2) | 44(33.8) |  |
 Cross-provincial | 53(8.7) | 42(79.2) | 11(20.8) |  | 37(69.8) | 16(30.2) |  |
Temporary Residence Permit | Â | Â | Â | 0.217 | Â | Â | 0.007 |
 With | 108(17.6) | 76(70.4) | 32(29.6) |  | 70(64.8) | 38(35.2) |  |
 Without | 505(82.4) | 384(76.0) | 121(24.0) |  | 390(77.2) | 115(22.8) |  |
Comparison of Monthly Household Income with Others Around | Â | Â | Â | 0.001 | Â | Â | 0.001 |
 Higher | 66(10.8) | 61(92.4) | 5(7.6) |  | 48(72.7) | 18(27.3) |  |
 Similar | 265(43.2) | 202(76.2) | 63(23.8) |  | 220(83.0) | 45(17.0) |  |
 Lower | 282(46.0) | 197(69.9) | 85(30.1) |  | 192(67.4) | 90(32.6) |  |
Oral Health | Â | Â | Â | 0.001 | Â | Â | 0.001 |
 Poor | 118(19.3) | 64(54.2) | 54(45.8) |  | 70(59.3) | 48(40.7) |  |
 General | 151(24.6) | 107(70.7) | 44(29.3) |  | 109(72.2) | 42(27.8) |  |
 Good | 344(56.1) | 289(84.0) | 55(16.0) |  | 281(81.7) | 63(18.3) |  |
Social Support | Â | Â | Â | 0.001 | Â | Â | 0.001 |
 Poor | 5(0.9) | 2(40.0) | 3(60.0) |  | 2(40.0) | 3(60.0) |  |
 General | 468(76.3) | 337(72.0) | 131(28.0) |  | 337(72.0) | 131(28.0) |  |
 Good | 140(22.8) | 121(86.4) | 19(13.6) |  | 121(86.4) | 19(13.6) |  |