TABLE 1—
Distribution of Participant Characteristics by Site and Hypertension Status: Maywood, Ill, and Igbo-Ora, Nigeria, 2001 to 2003
| Chicago, Ill (n = 348) | Igbo-Ora, Nigeria (n = 307) | |||||
| Control Participants (n = 245), No. (%) | Patients (n = 103), No. (%) | P | Control Participants (n = 192), No. (%) | Patients (n = 115), No. (%) | P | |
| Gender | .006 | .006 | ||||
| Men | 135 (55.1) | 40 (38.8) | 116 (60.4) | 51 (44.4) | ||
| Women | 110 (44.9) | 63 (61.2) | 76 (39.6) | 64 (55.7) | ||
| Education | .383 | .001 | ||||
| None | 7 (2.9) | 0 (0.0) | 69 (35.9) | 65 (56.5) | ||
| < High school | 38 (15.5) | 17 (16.5) | 43 (22.4) | 15 (13.0) | ||
| High school | 114 (46.5) | 48 (46.6) | 35 (18.2) | 9 (7.8) | ||
| > High school | 86 (35.1) | 38 (36.9) | 45 (23.5) | 26 (22.6) | ||
| Able to read consent form | <.001 | .021 | ||||
| Yes | 243 (99.2) | 95 (92.2) | 91 (47.4) | 39 (33.9) | ||
| No | 2 (0.8) | 8 (7.8) | 101 (52.6) | 76 (66.1) | ||
| Past research participation | .733 | .35 | ||||
| Yes | 81 (33.1) | 36 (35.0) | 17 (8.9) | 14 (12.2) | ||
| No | 164 (66.9) | 67 (65.0) | 175 (91.2) | 101 (87.8) | ||
| Marital status | .269 | .256 | ||||
| Not married | 183 (74.7) | 71 (68.9) | 13 (6.8) | 12 (10.4) | ||
| Married | 62 (25.3) | 32 (31.1) | 179 (93.2) | 103 (89.8) | ||
| Religion | .53 | .386 | ||||
| Christian | 203 (82.86) | 90 (87.38) | 112 (58.33) | 58 (50.43) | ||
| Muslim | 5 (2.04) | 1 (0.97) | 78 (40.63) | 56 (48.7) | ||
| Other | 37 (15.1) | 12 (11.65) | 2 (1.04) | 1 (0.87) | ||
| Age, y, mean ± SD | 40.7 ±7.4 | 47.9 ±10.4 | <.001 | 51.8 ±10.2 | 58.2 ±10.2 | <.001 |