Demographic context, social interaction, and perceived health status: excedrin headache no. 1.
D000328:Adult; D001108:Architecture; D001294:Attitude to Health; D003710:Demography; D004644:Emotions; D004777:Environment; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D010414:Pennsylvania; D011638:Public Housing; D012649:Self Concept; D012919:Social Behavior; D012959:Socioeconomic Factors