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Table 4 Intimate relationship characteristics associated with UAI with regular male sex partners in the past six months

From: Intimate relationship characteristics as determinants of HIV risk among men who have sex with regular male sex partners: a cross-sectional study in Guangzhou, China

Factors UAI with regular male sex partners
Row% (n/n1) OR (95% CI) AOR (95% CI) ORm (95% CI)
Had multiple RP in the past six months
 No 51.5 (141/274) 1 1  
 Yes 59.1 (78/132) 1.36 (0.90,2.07) 1.31 (0.85,2.03)
Expectation for this relationship
 Length of the relationship
   < 6 month 49.1 (104/212) 1 1  
   ≥ 6 month 59.3 (115/194) 1.51 (1.02,2.24)* 1.69 (1.11,2.58)* 1.67 (1.09,2.56)*
 Believed this was a serious relationship
  No 46.7 (85/182) 1 1  
  Yes 59.8 (134/224) 1.70 (1.14,2.52)** 1.75 (1.16,2.64)** NS
 Perceived that this relationship would continue for a long time
  No 52.4 (44/84) 1 1  
  Yes 54.4 (175/322) 1.08 (0.67,1.75) 1.17 (0.71,1.96)
Conflict of interest
 Exchanged money or materials to maintain this sexual relationship
  No 53.5 (213/398) 1 1  
  Yes 75.0 (6/8) 2.61 (0.52,13.07) 2.50 (0.49,12.82)
The dependence model
 Invested more emotion in this regular relationship
  No 53.6 (142/265) 1 1  
  Yes 54.6 (77/141) 1.04 (0.69,1.57) 1.03 (0.68,1.57)
 Your RP is dominant in this relationship
  No 55.5 (172/310) 1 1  
  Yes 49.0 (47/96) 0.77 (0.49,1.22) 0.75 (0.46,1.22)
Open communication on sexual relationship
 Openly discussed being monogamous in this relationship
  No 48.2 (119/247) 1 1  
  Yes 62.9 (100/159) 1.82 (1.21,2.74)** 1.83 (1.21,2.79)** 1.81 (1.19,2.76)**
 Openly discussed a sexual agreement or requirement to use condoms when having sex with other partners
  No 53.9 (104/193) 1 1  
  Yes 54.0 (115/213) 1.00 (0.68,1.48) 1.04 (0.70,1.56)
  1. p < 0.10, *p < 0.05, **p < 0.01
  2. AOR Adjusted odds ratio in multivariate logistic regression, OR m Adjusted odds ratio in multiple forward stepwise regression
  3. AOR and ORm were calculated after adjusting for confounders, and confounders including age (as a continuous variable), marital status (currently married or not), Guangzhou permanent resident (Yes or No), education level (higher than post-secondary education level or not), sexual orientation (bisexual/uncertain, or homosexual), and duration being MSM (less than five years, five years/ longer than five years), recruitment via Internet (Yes or No)
  4. n1: n1 actually is the n in Table 3, to distinguish the n in Tables 4, 5, 6, we use n1 to represent the n of Table 3
  5. NS: Variables with p < 0.10 in multivariate logistic regression, but were not significant in multiple forward stepwise logistic regression
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