Table 1.
Demographics of participants with nightmares compared to the control group (i.e. those without nightmares)
| Nightmares (n = 381) | Control group (n = 465) | χ 2 | df | p | |
|---|---|---|---|---|---|
| Sex, n | |||||
| Male | 39 | 55 | 0.5 | 1 | 0.464 |
| Female | 342 | 410 | |||
| Ethnicity, n | |||||
| White | 358 | 450 | 3.8 | 1 | 0.050 |
| Any other | 23 | 15 | |||
| Cocaine, n | |||||
| Yes | 22 | 15 | 3.24 | 1 | 0.071 |
| No | 359 | 450 | |||
| Cannabis, n | |||||
| Yes | 70 | 47 | 12.00 | 1 | 0.001** |
| No | 311 | 418 | |||
| Insomnia, n | |||||
| Not clinically significant | 66 | 185 | 50.64 | 1 | <0.001*** |
| Clinically significant | 315 | 280 | |||
| Nightmares (n = 381) | Control group (n = 465) | Odds ratio | p | 95% CI | |
|---|---|---|---|---|---|
| Marital status | |||||
| Single | 129 | 125 | Reference | ||
| Cohabiting | 60 | 46 | 1.264 | 0.314 | 0.801, 1.994 |
| Married | 155 | 221 | 0.680 | 0.018* | 0.493, 0.936 |
| Divorced | 32 | 55 | 0.564 | 0.025* | 0.342, 0.930 |
| Widowed | 5 | 18 | 0.269 | 0.012* | 0.097, 0.747 |
| Employment status, n | |||||
| Employed | 231 | 294 | Reference | ||
| Retired | 43 | 75 | 0.730 | 0.134 | 0.483, 1.102 |
| Student | 80 | 67 | 1.520 | 0.026* | 1.052, 2.195 |
| Housewife/husband | 16 | 13 | 1.566 | 0.242 | 0.739, 3.322 |
| Unemployed | 11 | 16 | 0.875 | 0.739 | 0.398, 1.922 |
* p < 0.05, ** p < 0.01, *** p < 0.001