Table 2.
Bivariate Comparisons Between Chronotype and Age of Timing of Last CAS and SWC with Casual Partners
| Total | Daytime, 6am to 5pm |
Evening, 5–9pm |
From 9pm to midnight |
Midnight or later |
Test Statistic | |
|---|---|---|---|---|---|---|
| Last CAS with casual partner | n | n (%) | n (%) | n (%) | n (%) | |
| Overall | 344 | 108 (31.4) | 66 (19.2) | 81 (23.5) | 89 (25.9) | |
| Chronotype | ||||||
| Morning Type | 62 | 25 (40.3) | 15 (24.2) | 10 (16.1) | 12 (19.4) | χ2(6) = 10.20 |
| Intermediate Type | 180 | 55 (30.6) | 34 (18.9) | 49 (27.2) | 42 (23.3) | |
| Evening Type | 102 | 28 (27.5) | 17 (16.7) | 22 (21.6) | 35 (34.3) | |
| M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | ||
| Age (years) | 38.3 (12.4) | 40.7 (12.8)a | 41.1 (12.8)ab | 36.3 (11.5)bc | 35.1 (11.5)c | F(3,340) = 5.44** |
| Last SWC with casual partner | n | n (%) | n (%) | n (%) | n (%) | |
| Overall | 344 | 119 (34.6) | 65 (18.9) | 91 (26.5) | 69 (20.1) | |
| Chronotype | ||||||
| Morning Type | 62 | 30 (48.4)a | 10 (16.1) | 15 (24.2) | 7 (11.3)a | χ2(6) = 16.78** |
| Intermediate Type | 180 | 66 (36.7)b | 38 (21.1) | 42 (23.3) | 34 (18.9)b | |
| Evening Type | 102 | 23 (22.5)c | 17 (16.7) | 34 (33.3) | 28 (27.5)c | |
| M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | ||
| Age (years) | 38.3 (12.4) | 39.2 (12.4) | 39.0 (10.9) | 38.2 (12.6) | 36.2 (12.6) | F(3,340) = 0.97 |
Note. CAS = condomless anal sex; SWC = sex with condoms. Within rows within continuous variables, cells with different superscripts differ significantly. Within columns within categorical variables, different superscripts signify that proportions among groups differ significantly.
**
p ≤ 0.01.