Online Diary Data of Couples' Health Behaviors, 2017

Data were collected from 114 couples (228 people) from the community (average age 32 years) who completed an intake session and 14 daily diaries. All questionnaires were completed online, data were collected in the USA in multiple locations. Intake questionnaires: Demographics and relationship information; Big Five; Positive and negative affect; Life satisfaction; Self-control; Emotion Regulation; Perceived stress; Physical symptoms; Health conditions; Perceptions of general health (self and partner); Desired health behavior changes (self and partner); Health behaviors; Partner support and control of health behaviors; Affective responses to partner social control; Behavioral responses to partner social control; Satisfaction with partner social control; Own health goals for the partner; Partner non-involvement in own health; Future consequences of current health behaviors; Physical attractiveness; Need for cognition; Emotional intelligence; Managing the emotions of others (specific to managing partner emotions); Goal conflict; Relationship conflict; Social support; Relationship satisfaction; Relationship commitment; Responsiveness (own and partner); Relative power; Approach and avoidance relationship motives; Communication; Daily questionnaires: Positive and negative affect; Health behaviors; Partner support of health behaviors; Own support of partner health behavior; Relationship satisfaction, commitment, investment, alternatives (own and perceptions of partner); Perceived stress; Communication; Approach and avoidance relationship motives (self and perceptions of partner); Emotional suppression and inauthentic expressions of emotions (self and perceived partner); Daily sacrifice and sacrifice motives; Closeness (self and partner); Autonomy (self and partner); Goal progress (self and partner); Goal conflict (self and partner); Life satisfaction (self and partner); Conflict with partner (self and partner); Partner's facilitation of goals (self and partner); Partner's obstruction of goals (self and partner); Self-expansion (self and partner)