Users
Two hundred and twelve adults in heterosexual relationships (106 women, Mdecades = years; 106 men, Mage age = years) and two hundred and eight adults in same-gender relationships (72 couples self-identified as gay: Mage = 34.1 years; 72 couples self-identified as lesbian: Mage = 33.3 years years). Couples were required to have been together romantically for a minimum of 6 months and to come to the lab with their partner to participate in the study. The average relationship length for all couples was 4.8 years (SD = 6.6 years). Exclusion criteria limited participation to individuals currently without serious, chronic health problems or any health issues (e.g., diabetes) that affected their eating behaviors. (If participants engaged in disordered eating behaviors but did not conceptualize them as disordered, they may have participated).
The participants from inside the heterosexual relationships was indeed mostly Western european American (72% Eu American, 10% African american, 8% Hispanic/Latino, 7% Western Western, and you may step 3% “other”). Members reported private revenues inside the range: “ $75,000” (1%). Additionally, 41.1% stated that they certainly were dating and never cohabitating, thirty two.4% stated that these people were cohabitating (living with both), and you may twenty six.5% stated that they were married.
The players during the lgbt matchmaking have been and additionally mostly European-Western (70%; 14% Ebony, 10% Hispanic/Latino, 3% Far eastern Western, 3% “other”). Players advertised private earnings from inside the ranges: “ 0 implies specific amount of dissatisfaction. The exam–retest precision for this scale might have been considered to be good [0.79; (33)], and that measure has been seen for predictive validity [elizabeth.g., it’s for the lbs reputation and weight reduction behaviors in other mature trials; (34, 35)].
Relationships Top quality
The fresh Marital Connections Survey [MIS; (36)] was used to evaluate participants’ relationship quality. This fifteen-item measure contains a couple subscales out-of love and you may conflict. The new love scale queried professionals playing with 10 facts also “Exactly how the full time could you become into the him/her?” The fresh new argument size queried lisää professionals having fun with four factors including “How many times do you along with your companion argue with one another?” For every goods is actually rated towards an effective nine-part Likert level out of 0 = “definitely not” to 8 = “quite definitely.” Factors examining conflict was indeed reverse coded (thus examining “harmony”) and a total mixture rating regarding matchmaking top quality is actually determined. The first style of MIS was designed to assess hitched couples’ dating high quality; the brand new level are changed because of it studies to see “mate” and you will “companion,” as opposed to “partner.” The newest MIS is actually credible along the subsamples from lovers (?s = 0.77–0.89) possesses been made use of successfully various other degree of same-sex couples, sharing predictive legitimacy [e.g., (19)].
Relationships Duration
Users advertised their matchmaking duration of the responding: “For how several months have you been continuously associated with your own intimate companion?” Answers are presented in many years to own easier translation.
Covariates
Analyses noticed covariates more than likely associated with the gaining weight and you may relationships reputation: years, participants’ gender (coded ?step 1 = male, step 1 = female), and you will sexual direction. (Gender and you will sexual direction and additionally were regarded as moderators in analyses).
Analytical Plan
SPSS adaptation twenty-eight and you can HLM type seven were utilized to own detailed analyses also to shot analysis aims. Study had been featured to have completeness; the degree of lost investigation into the people variable used in analyses ranged off 0 to just one.4%. Listwise removal was applied having missing data. So you’re able to make up the newest non-versatility of data out of people nested inside dating, multilevel modeling was utilized to test having gender and you may sexual orientation differences in inside-lovers variables also to sample data tries (37). Continuing details was indeed category mean dependent at height 1 (within-couples) and you may huge indicate based at height 2 (between-couples).
