Table 2.
Descriptive statistics for socio-demographic variables and sexual behaviours by gender | ||||||
---|---|---|---|---|---|---|
Variable | All students (N) |
Men | Women | Test statistic | P | Fisher's |
South Africans (%) | 50 (72) | 44.7 | 55.9 | 0.8916a | 0.3450 | 0.4791 |
Age (mean years) | 22.01 (72) | 22.1 | 20.2 | −3.1201b | 0.0018 | |
On campus residence (%) | 87.7 (73) | 92.3 | 82.4 | 1.6653a | 0.1969 | 0.2881 |
Single (never married)(%) | 93.2 (73) | 94.9 | 91.2 | 1.1925a | 0.5509 | |
Living with steady partner (%) | 15.9 (69) | 21.6 | 9.4 | 1.9205a | 0.1658 | 0.2018 |
Year at University: | ||||||
First year (%) | 21.9 (73) | 7.7 | 38.2 | 13.1667a | 0.0043 | |
Second year (%) | 32.9 | 33.3 | 32.4 | |||
Third year (%) | 27.4 | 30.8 | 23.5 | |||
Sexual behaviour and attitude: | ||||||
Ever had sexual intercourse (%) | 74 (73) | 87.2 | 58.8 | 7.5859a | 0.0099 | 0.0077 |
Age at first sexual intercourse (mean years) | 17.1 (52) | 16.7 | 17.8 | 1.4539b | 0.1460 | |
Number of lifetime partners | 6.8 (51) | 8.8 | 3.7 | −3.2378b | 0.0012 | |
Ever forced to have sexual intercourse (%) | 9.3 (54) | 2.9 | 20.0 | 4.3615a | 0.0368 | 0.0570 |
Ever had an STI (%) | 16.7 (54) | 17.7 | 15.0 | 0.0635a | 0.8010 | 1.0000 |
Used condom at first intercourse (%) | 42.6 (54) | 38.2 | 50.0 | 0.7128a | 0.3985 | 0.5694 |
Used condom at last intercourse (%) | 70.4 (54) | 64.7 | 80.0 | 1.4127a | 0.2346 | 0.3560 |
Age of last sexual partner (mean years) | 21.0 (49) | 19.2 | 23.9 | 3.5207a | 0.0004 | |
Frequency of sexual intercourse in last 3 months | 9.7 (53) | 12.4 | 4.8 | −2.2229b | 0.0262 | |
Number of days of having sexual intercourse in last 3 months | 6.8 (52) | 8.6 | 3.3 | −2.0734b | 0.0381 | |
Number of drinks before last sexual intercourse | 1.9 (38) | 2.2 | 1.3 | −1.3993b | 0.1701 | |
Condom use frequency over last 3 months | 3.6 (54) | 3.8 | 3.2 | −0.8660b | 0.3865 | |
Multiple sexual partners in last 3 months | 1.5 (53) | 1.9 | 0.8 | −1.9296b | 0.0537 |
Chi-square test
Normal approximation of the Mann-Whitney test
Significance level α = 0.05