Counts and percentages of demographic variables across the intervention and control groups, along with results from a χ2 test of independence
| Control N= 3778 | Intervention N= 3786 | χ2 (df) | P-value | ||
|---|---|---|---|---|---|
| Sex N (%) | Male | 1608 (42.56) | 1541 (40.70) | 2.6152 (1) | 0.106 |
| Female | 2170 (57.44) | 2245 (59.30) | |||
| Age category, years N (%) | 40–44 | 1090 (28.85) | 1129 (29.82) | 17.983 (6) | 0.006a |
| 45–49 | 892 (23.61) | 956 (25.25) | |||
| 50–54 | 777 (20.57) | 663 (17.51) | |||
| 55–59 | 488 (12.92) | 461 (12.18) | |||
| 60–64 | 260 (6.88) | 287 (7.58) | |||
| 65–69 | 180 (4.76) | 171 (4.52) | |||
| 70–74 | 91 (2.4) | 119 (3.14) | |||
| Ethnicity N (%) | White | 1814 (48.01) | 1740 (45.96) | 8.1694 (5) | 0.147 |
| Black | 891 (23.58) | 934 (24.67) | |||
| Asian | 135 (3.57) | 140 (3.70) | |||
| Unknown | 501 (13.26) | 488 (12.89) | |||
| Mixed | 117 (3.10) | 106 (2.80) | |||
| Other | 320 (8.47) | 378 (9.98) | |||
df = degrees of freedom.