Table 3.
Characteristics correlated with unprotected anal intercourse among MSM in Guangzhou: trend from 2008 to 2013 a
| Characteristics | Percentage of UAI in different stratums | |||||||
|---|---|---|---|---|---|---|---|---|
| 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | χ 2value | P b | |
| % (n) | % (n) | % (n) | % (n) | % (n) | % (n) | |||
| Age (years) | ||||||||
| <20 | 64.3 (9) | 70.0 (7) | 69.2 (9) | 80.0 (12) | 88.9 (8) | 73.3 (1) | 0.94 | 0.333 |
| 20-29 | 60.8 (132) | 55.1 (125) | 61.2 (150) | 62.4 (156) | 55.7 (127) | 58.7 (226) | 0.07 | 0.786 |
| 30-39 | 64.0 (71) | 54.9 (62) | 58.3 (70) | 67.3 (68) | 55.5 (71) | 51.7 (90) | 2.61 | 0.106 |
| ≥40 | 56.8 (21) | 45.7 (16) | 40.7 (11) | 35.3 (12) | 58.3 (21) | 57.6 (34) | 0.55 | 0.458 |
| Marital status | ||||||||
| Single | 58.4 (125) | 47.8 (111) | 57.0 (146) | 60.8 (158) | 53.5 (138) | 52.3 (225) | 0.37 | 0.544 |
| Cohabiting with male partner | 73.1 (49) | 69.6 (48) | 64.5 (40) | 76.1 (35) | 68.3 (43) | 77.9 (81) | 0.88 | 0.349 |
| Married | 58.2 (46) | 56.5 (39) | 63.5 (47) | 56.2 (50) | 53.6 (37) | 52.6 (40) | 0.84 | 0.360 |
| Divorced or widowed | 68.4 (13) | 80.0 (12) | 53.8 (7) | 100.0 (5) | 81.8 (9) | 65.2 (15) | 0.01 | 0.952 |
| Education level | ||||||||
| Junior high school or lower | 59.7 (43) | 66.0 (31) | 62.1 (41) | 62.3 (33) | 61.2 (30) | 74.3 (26) | 0.80 | 0.372 |
| Senior high school | 62.2 (69) | 55.6 (55) | 64.3 (74) | 65.0 (91) | 59.2 (61) | 59.1 (65) | 0.01 | 0.914 |
| College or higher | 61.7 (121) | 51.9 (124) | 55.8 (125) | 59.9 (124) | 54.6 (136) | 55.3 (270) | 0.44 | 0.509 |
| Number of male partners in the past 6 months | ||||||||
| 1 | 69.1 (65) | 58.5 (72) | 57.0 (69) | 58.5 (72) | 55.1 (75) | 59.8 (110) | 1.31 | 0.252 |
| 2 | 60.0 (48) | 58.7 (54) | 59.4 (57) | 70.4 (69) | 68.0 (66) | 62.9 (100) | 1.25 | 0.263 |
| 3 | 69.6 (48) | 65.2 (43) | 77.8 (49) | 72.7 (48) | 66.7 (48) | 58.9 (66) | 2.39 | 0.122 |
| 4-9 | 75.4 (52) | 60.5 (23) | 80.0 (48) | 70.6 (48) | 62.5 (25) | 72.4 (76) | 0.16 | 0.689 |
| ≥10 | 83.3 (20) | 62.1 (18) | 85.0 (17) | 78.6 (11) | 72.2 (13) | 58.3 (7) | 0.07 | 0.403 |
| HIV test in the past 12 months | ||||||||
| Yes | 64.5 (40) | 53.3 (146) | 55.1 (98) | 55.4 (98) | 59.1 (117) | 53.3 (180) | 0.17 | 0.679 |
| No | 60.9 (193 | 57.7 (64) | 62.6 (142) | 67.1 (147) | 54.3 (107) | 61.4 (181) | 0.03 | 0.863 |
aOnly significant factors in multivariate logistic regression were analyzed.
bLinear-by-linear association chi-square test.