Table 1.
Nationality analysis
| Descriptive statistics for socio-demographic variables and sexual behaviours by nationality | ||||||
|---|---|---|---|---|---|---|
| Variable | All students (N) |
SA | Non SA |
Test statistic | P | Fisher's |
| Women (%) | 47.2 (72) | 52.8 | 41.7 | 0.8916a | 0.3450 | 0.4791 |
| Age (mean years) | 22.01 (72) | 21.8 | 22.2 | −0.8901b | 0.3734 | |
| On campus residence (%) | 87.5 (72) | 86.1 | 88.9 | 0.1270a | 0.7216 | 1.0000 |
| Single (never married)(%) | 94.4 (72) | 100.0 | 88.9 | 4.2353a | 0.1203 | |
| Living with steady partner (%) | 14.7 (68) | 8.6 | 21.2 | 2.1637a | 0.1413 | 0.1809 |
| Year at University: | ||||||
| First year (%) | 22.2 (72) | 33.3 | 11.1 | 7.8968a | 0.0482 | |
| Second year (%) | 33.3 | 25.0 | 41.7 | |||
| Third year (%) | 26.4 | 30.6 | 22.2 | |||
| Sexual behaviour and attitude: | ||||||
| Ever had sexual intercourse (%) | 73.6 (72) | 80.6 | 66.7 | 1.7875a | 0.1812 | 0.2848 |
| Age at first sexual intercourse (mean years) | 17.1 (52) | 16.2 | 18.2 | 2.4387b | 0.0147 | |
| Number of lifetime partners | 6.8 (51) | 7.7 | 5.8 | −0.3814b | 0.7029 | |
| Ever forced to have sexual intercourse (%) | 9.26 (54) | 6.9 | 12.5 | 0.4826a | 0.4872 | 0.6486 |
| Ever had an STI (%) | 17 (53) | 27.6 | 4.2 | 5.1091a | 0.0238 | 0.0306 |
| Used condom at first intercourse (%) | 43.4 (53) | 34.5 | 54.2 | 2.0714a | 0.1501 | 0.1745 |
| Used condom at last intercourse (%) | 71.7 (53) | 72.4 | 70.8 | 0.0162a | 0.8988 | 1.0000 |
| Age of last sexual partner (mean years) | 21.0 (49) | 20.9 | 21.2 | 0.0303b | 0.9759 | |
| Number of times of sexual intercourse in last 3 months | 9.7 (53) | 12.0 | 6.9 | −1.6150b | 0.1063 | |
| Number of days of having sexual intercourse in last 3 months | 6.8 (52) | 7.9 | 5.4 | −1.6789b | 0.0932 | |
| Number of drinks before last sexual intercourse | 1.9 (38) | 1.4 | 2.6 | 1.3435b | 0.1791 | |
| Condom use frequency over last 3 months | 3.6 (54) | 4.4 | 2.7 | −2.3196b | 0.0204 | |
| Number of sexual partners in last 3 months | 1.5 (53) | 1.9 | 1.0 | −2.0969b | 0.0360 | |
a
Chi-square test
b
Normal approximation of the Mann-Whitney test
Significance level α = 0.05