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Table 1 Characteristics of the control and treatment group before matching (n = 57,993)

From: Effect of mobile phone-based health insurance contribution payment system on retention of coverage in the National Health Insurance Scheme in Ghana: an evaluation study

Variable

Type of contribution payment system

Total

Office-based payment system (Control)

Mobile phone-based payment system (Treatment)

Registration type

 New

11,467 (39.7)

0b

11,467 (19.8)

 Renewal

17,427 (60.3)

29,099 (100.0)

46,526 (80.2)

Sex

 Female

16,857 (58.3)

17,394 (59.8)

34,251 (59.1)

 Male

12,037 (41.7)

11,705 (40.2)

23,742 (40.9)

Age (Mean, Std.)

23.5(20.3)

26.3 (22.5)

24.9 (21.5)

Marital statusa

 Divorced

64 (0.5)

96 (0.6)

160 (0.6)

 Married

4,923 (37.9)

5,870 (37.2)

10,793 (37.5)

 Single

7,826 (60.3)

9,507 (60.2)

17,333 (60.2)

 Widowed

177 (1.4)

322 (2.0)

499 (1.7)

Membership category

 Exempt group

20,542 (71.1)

17,710 (60.9)

38,252 (66.0)

 Non-exempt group

8,352 (28.9)

11,389 (39.1)

19,741 (34.0)

  1. aValid response is 28,785
  2. bThe mobile phone-based contribution payment system was being used for renewal of membership only at time of the study