Table 1 Predisposing factors (categorical variables), n = 1,464
Variables | Total sample n = 1,464 | NHPCC user, n = 236 (1) | nCC-NHP user, n = 993 (2) | Past NHP-user, n = 235 (3) | X²(df); p-value | z-test (Bonferroni adjusted) | Cramer’s V |
|---|---|---|---|---|---|---|---|
Total (%) | 100 | 16.1 | 67.8 | 16.1 | Â | Â | Â |
Gender | Â | Â | Â | Â | Â | Â | Â |
 Male | 43.2 | 38.6 | 39.8 | 62.1 | X² (2) = 41.13, p = < 0.001 | 1|3; 2|3 | 0.168 |
 Female | 56.8 | 61.4 | 60.2 | 37.9 |  |  | |
Age | Â | Â | Â | Â | Â | Â | Â |
 18‒29 (young) | 15.6 | 19.9 | 15.8 | 10.6 | X² (4) = 18.23, p = 0.001 | 1|3 | 0.079 |
 30‒59 (middle-aged) | 50.6 | 55.9 | 49.8 | 48.5 |  | ||
 60+ (senior) | 33.7 | 24.2 | 34.3 | 40.9 | 1|2; 1|3 | ||
Education (years) | Â | Â | Â | Â | Â | Â | Â |
 < 12 years | 47.8 | 47.0 | 46.1 | 55.7 | X² (2) = 7.12, p = 0.028 | 2|3 | 0.070 |
 >= 12 years | 52.2 | 53.0 | 53.9 | 44.3 |  |  | |
Children in household | Â | Â | |||||
 No | 79.2 | 73.3 | 79.5 | 84.3 | X² (2) = 8.67, p = 0.013 | 1|3 | 0.077 |
 Yes | 20.8 | 26.7 | 20.5 | 15.7 |  |  | |