| OOP in NGN (USD)/month | None | <500 (<1.4) | 500 - <1000 (1.4 - <2.8) | 1000 - <3000 (2.8 - <8.3) | 3000 - <5000 (8.3 - <13.9) | 5000 - 10,000 (13.9 - 27.8) | Total | Chi-square (P-Value) |
| Characteristics | 126 (26.9) | 109 (23.2) | 112 (23.9) | 50 (10.7) | 23 (4.9) | 49 (10.4) | 469 (100.0) | |
| Age | ||||||||
| 10 - 20 | 2 (28.6) | 2 (28.6) | 0 (0.0) | 2 (28.6) | 0 (0.0) | 1 (14.3) | 7 (100.0) | 36 (0.065) |
| 21 - 24 | 2 (18.2) | 1 (9.1) | 1 (9.1) | 2 (18.2) | 2 (18.2) | 3 (27.3) | 11 (100.0) | |
| 25 - 29 | 6 (13.6) | 14 (31.8) | 12 (27.3) | 3 (6.8) | 2 (4.6) | 7 (15.9) | 44 (100.0) | |
| 30 - 34 | 22 (30.1 | 19 (26.0) | 18 (24.7) | 5 (6.9) | 2 (2.7) | 7 (8.6) | 73 (100.0) | |
| 35 - 39 | 23 (27.4) | 18 (21.4) | 21 (25.0) | 8 (9.5) | 9 (10.7) | 5 (6.0) | 84 (100.0) | |
| 40 - 49 | 43 (27.0) | 33 (20.8) | 36 (22.6) | 18 (11.3) | 7 (4.4) | 22 (13.9) | 159 (100.0) | |
| 50+ | 28 (30.8) | 22 (24.2) | 24 (26.4) | 12 (13.2) | 1 (1.1) | 4 (4.4) | 91 (100.0) | |
| Sex | ||||||||
| Male | 51 (22.0) | 46 (19.8) | 60 (25.9) | 39 (16.8) | 10 (4.3) | 26 (11.2) | 232 (100.0) | 26.3(0.000) |
| Female | 75 (31.7) | 63 (26.6) | 52 (21.9) | 11 (4.6) | 13 (5.5) | 23 (9.7) | 237 (100.0) | |
| Ever attended school | ||||||||
| No | 47 (48.0) | 21 (21.4) | 16 (16.3) | 8 (8.2) | 1 (1.0) | 5 (5.0) | 98 (100.0) | 31.6 (0.000) |
| Yes | 79 (21.3) | 88 (23.7) | 96 (25.9) | 42 (11.3) | 22 (5.9) | 44 (11.9) | 371 (100.0) | |
| Level of education | ||||||||
| Primary | 37 (36.6) | 30 (29.7) | 23 (22.8) | 6 (5.9) | 2 (2.0) | 3 (3.0) | 101 (100.0) | 43.2 (0.000) |
| Secondary | 27 (19.0) | 26 (18.3) | 37 (26.1) | 22 (15.5) | 13 (9.2) | 17 (11.9) | 142 (100.0) | |
| Tertiary | 15 (11.7) | 32 (25.0) | 36 (28.1) | 14 (10.9) | 7 (5.5) | 24 (18.7) | 128 (100.0) | |
| Employment status | ||||||||
| Not employed | 61 (39.1) | 42 (26.9) | 29 (18.6) | 9 (5.8) | 6 (3.8) | 9 (5.8) | 156 (100.0) | |
| Employed | 65 (20.8) | 67 (21.4) | 83 (26.5) | 41 (13.1) | 17 (5.4) | 40 (12.8) | 313 (100.0) | |
| Monthly income in NGN (USD) | ||||||||
| <10,000 (<27.8) | 41 (32.0) | 32 (25.0) | 33 (25.8) | 10 (7.8) | 2 (1.6) | 10 (7.8) | 128 (100.0) | 55.1 (0.000) |
| 10,000 - 20,000 (27.9 - 55.6) | 14 (20.3) | 16 (23.2) | 19 (27.5) | 12 (17.4) | 3 (4.4) | 5 (7.3) | 69 (100.0) | |
| 20,001 - 50,000 (55.7 - 138.9) | 8 (10.5) | 12 (15.8) | 20 (26.3) | 15 (19.7) | 9 (11.8) | 12 (15.8) | 76 (100.0) | |
| 50,001 - 100,000 (139.0 - 277.8) | 2 (5.0) | 7 (17.5) | 11 (27.5) | 4 (10.0) | 3 (7.5) | 13 (22.5) | 40 (100.0) | |
| Wealth quintile | ||||||||
| Poorest | 46 (40.7) | 26 (23.0) | 27 (23.9) | 7 (6.2) | 2 (1.8) | 5 (4.5) | 113 (100.0) | 53.9 (0.000) |
| Poorer | 27 (31.0) | 25 (28.7) | 16 (18.4) | 10 (11.5) | 3 (3.5) | 6 (6.8) | 87 (100.0) | |
| Middle | 16 (17.4) | 26 (28.3) | 28 (30.4) | 9 (9.8) | 6 (6.5) | 7 (7.6) | 92 (100.0) | |
| Richer | 32 (25.6) | 21 (16.8) | 25 (20.0) | 16 (12.8) | 7 (5.6) | 24 (19.2) | 125 (100.0) | |
| Richest | 5 (9.6) | 11 (21.2) | 16 (30.8) | 8 (15.4) | 5 (9.6) | 7 (13.5) | 52 (100.0) |