Table 2.
Chi-square distribution of variables by knowledge of ovulation among women age 15–24 in 29 Sub-saharan African countries between 2008 and 2017
| Knowledge of ovulation | Total | χ2 (p-value) | ||
|---|---|---|---|---|
| Knowledgeable (%) | Not knowledgeable (%) | |||
| Age in 5-year groups | 1154.513 (< 0.001) | |||
| 15–19 | 18,585 (46.3) | 72,730 (56) | 91,315 (53.7) | |
| 20–24 | 21,521 (53.7) | 57,103 (44) | 78,624 (46.3) | |
| Total (column) | 40,106 (100) | 129,833(100) | 169,939 (100) | |
| Marital status | 28.571 (< 0.001) | |||
| Never in union | 22,472 (56) | 74,455 (57.3) | 96,927 (57) | |
| Currently in union | 16,130 (40.2) | 50,298 (38.7) | 66,428 (39.1) | |
| Not currently in union | 1503 (3.7) | 5080 (3.9) | 6583 (3.9) | |
| Total (column) | 40,105 (100) | 129,833 (100) | 169,938 (100) | |
| Fertility status | 45.669 (< 0.001) | |||
| No live birth | 23,077 (57.5) | 75,564 (58.2) | 98,641 (58) | |
| One child | 9458 (23.6) | 28,806 (22.2) | 38,264 (22.5) | |
| Two children | 4928 (12.3) | 16,204 (12.5) | 21,132 (12.4) | |
| Three children | 1961 (4.9) | 6706 (5.2) | 8667 (5.1) | |
| ≥ 4 children | 682 (1.7) | 2553 (2) | 3235 (1.9) | |
| Total (column) | 40,106 (100) | 129,833 (100) | 169,939 (100) | |
| Place of residence | 1588.663 (< 0.001) | |||
| Urban | 19,197 (47.9) | 47,702 (36.7) | 66,899 (39.4) | |
| Rural | 20,909 (52.1) | 82,131 (63.3) | 103,040 (60.6) | |
| Total (column) | 40,106 (100) | 129,833 (100) | 169,939 (100) | |
| Contraceptive | 934.705 (< 0.001) | |||
| User | 30,844 (76.9) | 108,556 (83.6) | 139,400 (82) | |
| Nonuser | 9262 (23.1) | 21,277 (16.4) | 30,539 (18) | |
| Total (column) | 40,106 (100) | 129,833 (100) | 169,939 (100) | |
| Pattern of use | 1500.247 (< 0.001) | |||
| Currently using | 8489 (23.4) | 19,775 (16.6) | 28,264 (18.1) | |
| Used since last birth | 1955 (5.4) | 10,642 (8.9) | 12,597 (8.1) | |
| Used before last birth | 2103 (5.8) | 4773 (4) | 6876 (4.4) | |
| Never used | 23,571 (65) | 83,957 (70.3) | 107,528 (69) | |
| Missed | 163 (0.4) | 298 (0.2) | 461 (0.3) | |
| Total (column) | 36,281 (100) | 119,445 (100) | 155,726 (100) | |
| Pregnancy desire | 4.538 (0.033) | |||
| Yes | 11,084 (68.3) | 33,484 (67.4) | 44,568 (67.6) | |
| No | 5142 (31.7) | 16,189 (32.6) | 21,331 (32.4) | |
| Total (column) | 16,226 (100) | 49,673 (100) | 65,899 (100) | |
| Currently pregnant | ||||
| No/not sure | 36,195 (90.2) | 117,682 (90.6) | 153,877 (90.5) | 5.52 (0.019) |
| Yes | 3911 (9.8) | 12,151 (9.4) | 16,062 (9.5) | |
| Total (column) | 40,106 (100) | 129,833 (100) | 169,939 (100) | |