Cross tabulations and agreement statistics for responses to questions about sexual behaviour among heterosexual HIV sero-discordant couples (n=409)
| Male responses [n (%)] | Female responses [n (%)] | Dyadic analyses | ||||||
|---|---|---|---|---|---|---|---|---|
| 1. How often did you use a condom over the last 3 months? | ||||||||
| Always | Sometimes | Never | Total | κ (95% CI) | Percent agreement (%) | |||
| Always | 222 (54.55) | 18 (4.42) | 11 (2.70) | 251 (61.67) | 0.63 (0.55–0.70) | 78.87 | ||
| Sometimes | 19 (4.67) | 58 (14.25) | 12 (2.95) | 89 (21.87) | ||||
| Never | 16 (3.93) | 10 (2.46) | 41 (10.07) | 67 (16.46) | ||||
| Total | 257 (61.67) | 68 (21.13) | 64 (15.72) | 407 | ||||
| [NB. Weighted κ used because variable is ordinal; missing=2.] | ||||||||
| 2. Did you use a condom the last time you had sex? | ||||||||
| Yes | No | Total | κ (95% CI) | Percent agreement (%) | ||||
| Yes | 262 (64.06) | 23 (5.62) | 285 (69.68) | 0.64 (0.55–0.72) | 85.09 | |||
| No | 38 (9.29) | 86 (21.03) | 124 (30.32) | |||||
| Total | 300 (73.35) | 109 (26.65) | 409 | |||||
| 3. Who usually decides when you have sex? | ||||||||
| Respondent | Partner | Together | Never talk | Total | κ (95% CI) | Percent agreement (%) | ||
| Respondent | 17 (4.17) | 85 (20.83) | 25 (6.13) | 0 (0.0) | 127 (31.13) | 0.24 (0.17–0.31) | 51.72 | |
| Partner | 16 (3.92) | 22 (5.39) | 12 (2.94) | 1 (0.25) | 51 (12.50) | |||
| Together | 41 (10.05) | 79 (19.36) | 110 (26.96) | 0 (0.0) | 230 (56.37) | |||
| Never | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | |||
| Total | 74 (18.18) | 186 (45.59) | 147 (36.03) | 1 (0.25) | 408 | |||
| [NB. For the calculation of the κ statistic, partner and respondent were taken to be in agreement; missing=1.] | ||||||||
| 4. Who usually decides whether or not you use a condom? | ||||||||
| Respondent | Partner | Together | Never talk | Other | Total | κ (95% CI) | Percent agreement (%) | |
| Respondent | 24 (5.87) | 46 (11.25) | 21 (5.13) | 0 (0.0) | 1 (0.24) | 92 (22.50) | 0.39 (0.32–0.45) | 56.97 |
| Partner | 17 (4.16) | 7 (1.71) | 12 (2.93) | 0 (0.0) | 2 (0.49) | 38 (9.29) | ||
| Together | 41 (4.16) | 32 (7.82) | 126 (30.81) | 2 (0.49) | 11 (2.69) | 212 (51.83) | ||
| Never | 2 (0.49) | 0 (0.0) | 0 (0.0) | 2 (0.49) | 1 (0.24) | 5 (1.22) | ||
| Other | 7 (1.71) | 7 (1.71) | 5 (1.22) | 1 (0.24) | 42 (10.27) | 62 (15.6) | ||
| Total | 91 (22.25) | 92 (22.50) | 164 (40.10) | 5 (1.22) | 57 (13.94) | 409 | ||
| [NB. For the calculation of the κ statistic, partner and respondent were taken to be agreement.] | ||||||||
| 5. Have you discussed sexual issues with your partner? | ||||||||
| Yes | No | Total | κ (95% CI) | Percent agreement (%) | ||||
| Yes | 387 (94.62) | 13 (3.18) | 400 (97.80) | 0.29 (0.05–0.52) | 95.60 | |||
| No | 5 (1.22) | 4 (0.98) | 9 (2.20) | |||||
| Total | 392 (95.84) | 17 (4.16) | 409 | |||||
| 6. Do you want more biological children | ||||||||
| Yes | No | Don't know | N/A | Total | κ (95% CI) | Percent agreement (%) | ||
| Yes | 67 (16.38) | 45 (11.0) | 14 (3.42) | 6 (1.47) | 132 (32.27) | 0.38 (0.30–0.45) | 63.57 | |
| No | 21 (5.13) | 175 (42.79) | 18 (4.40) | 14 (3.42) | 228 (55.75) | |||
| Don't know | 5 (1.22) | 21 (5.13) | 8 (1.95) | 2 (0.49) | 36 (8.80) | |||
| N/A | 0 (0.0) | 3 (0.73) | 0 (0.0) | 10 (2.44) | 13 (3.18) | |||
| Total | 99 (22.74) | 244 (59.66) | 40 (9.78) | 32 (7.82) | 409 | |||
CI, confidence interval; N/A, not applicable.