Logit model of NHIS enrolment among older adults for estimating the propensity score
| OR | 95% CI | |||
| Region | ||||
| Western | 1.000 | |||
| Central | 0.722 | * | 0.540 | 0.965 |
| Greater Accra | 1.024 | 0.580 | 1.806 | |
| Volta | 1.572 | * | 1.108 | 2.228 |
| Eastern | 1.461 | ** | 1.106 | 1.928 |
| Ashanti | 1.646 | *** | 1.238 | 2.188 |
| Brong Ahafo | 3.118 | *** | 2.289 | 4.245 |
| Northern | 1.680 | ** | 1.189 | 2.373 |
| Upper East | 4.854 | *** | 3.431 | 6.864 |
| Upper West | 5.213 | *** | 3.647 | 7.450 |
| Sex | ||||
| Male | 1.000 | |||
| Female | 1.509 | *** | 1.321 | 1.723 |
| Age | ||||
| 50–59 | 1.000 | |||
| 60–69 | 1.241 | ** | 1.076 | 1.430 |
| 70plus | 1.785 | *** | 1.537 | 2.073 |
| Marital status | ||||
| Married/Cohabiting | 1.000 | |||
| Separated/Divorced | 0.619 | *** | 0.497 | 0.769 |
| Widowed | 0.824 | * | 0.704 | 0.964 |
| Never married | 0.466 | * | 0.248 | 0.874 |
| Education | ||||
| None | 1.000 | |||
| Primary | 1.173 | * | 1.0090 | 1.362 |
| Secondary and higher | 3.255 | *** | 2.2941 | 4.617 |
| Religion | ||||
| No religion | 1.000 | |||
| Christian | 1.618 | *** | 1.303 | 2.009 |
| Muslim | 1.215 | 0.961 | 1.534 | |
| Ethnicity | ||||
| Akan | 1.000 | |||
| Ga-Dangme | 0.745 | 0.539 | 1.029 | |
| Ewe | 0.778 | 0.580 | 1.044 | |
| Guan | 0.990 | 0.710 | 1.378 | |
| Gurma | 0.547 | *** | 0.397 | 0.751 |
| Mole-Dagbani | 0.502 | *** | 0.379 | 0.664 |
| Other | 0.621 | ** | 0.452 | 0.852 |
| Poor | ||||
| Non-poor | 1.000 | |||
| Poor | 0.696 | *** | 0.610 | 0.793 |
| Minutes | ||||
| Hospital | 0.996 | *** | 0.994 | 0.996 |
| Clinic | 0.998 | * | 0.996 | 0.999 |
| Road access | ||||
| Yes | 1.000 | |||
| No | 0.620 | *** | 0.525 | 0.731 |
| N | 5,476 | |||
*P<0.05, **P<0.01, ***P<0.001.
NHIS, National Health Insurance scheme.