Table 1.

Standardized Measures Utilized in the Study

Measure	Reliability	Reference	No. of items	Response scale	Sample item
Sexual Agreement Investment Scale	0.95	14	13	5-point: ‘Not at all’ to ‘Extremely’	“How much do you appreciate having your current agreement?”
Miller Social Intimacy Scale	0.91	41	17	10-point: ‘Very Rarely’ to ‘Almost Always' OR ‘Not Much’ to ‘A Great Deal’, depending on the question	“When you have leisure time, how often do you choose to spend it alone with your partner?”
Dependability (from Trust Scale)	0.71	42	5	7-point: ‘Strongly Disagree’ to ‘Strongly Agree’	“I have found that my partner is unusually dependable, especially when it comes to things that are important to me.”
Attachment	0.80	43	8	9-point: ‘Not at all True’ to ‘Extremely true’	“I can never get too close to my partner.”
HIV-Specific Social Support	0.89	44	24	4-point: ‘Strongly Disagree’ to ‘Strongly Agree’	“My partner depends on me for help when it comes to practicing safer sex.”
Revised UCLA-Loneliness Scale	0.67	45	4	4-point: ‘Never’ to ‘Often’	“I feel in tune with people around me.”
Equality	0.91	43	8	9-point: ‘Not at all True’ to ‘Extremely true’	“My partner shows as much affection to me as I think I show to him.”

Note: For all scales, higher scores reflected higher levels of the construct.