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Table 1 Intervention group characteristics at baseline

From: Health insurance and social capital in Ghana: a cluster randomised controlled trial

  Control group Intervention group (combined) P-value
Age (in years) 37.74 37.81 0.896
Sex (% women) 55.80 57.05 0.474
Region (% Western region) 46.78 52.11 0.002***
Religion (% Christian) 90.00 89.88 0.155
Household wealth
 Wealth quintile 1 (%) 16.65 17.71 0.902
 Wealth quintile 2 (%) 17.40 17.41
 Wealth quintile 3 (%) 19.55 18.73
 Wealth quintile 4 (%) 22.89 20.84
 Wealth quintile 5 (%) 23.52 25.3
Highest level of completed education
 No formal education (%) 12.98 13.77 0.139
 Less than primary school (%) 3.74 2.55
 Primary school (%) 9.94 9.28
 Middle/junior secondary school (%) 39.14 40.45
 Secondary/senior secondary school (%) 21.72 19.35
 Vocational/polytechnical training (%) 7.54 8.79
 Higher education (%) 4.94 5.82
Is your health better or worse than of other people of the same sex and age in the community
 Better (%) 61.62 59.6 0.01**
 The same (%) 34.35 37.48
 Worse (%) 4.02 2.92
The share of respondents paying for consultation and drugs during last healthcare provider visit
 Pay for consultation (%) 21.56 18.67 0.04**
 Pay for drugs (%) 47.23 46.87 0.838
  1. Note: The p-values refer to the results of the chi-square test, except for age where independent t-test with unequal assumed variances is used; * p < 0.05; ** p < 0.01; *** p < 0.001