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PF: physical functioning, RP: role functioning difficulties caused by physical problems, BP: bodily pain, GH: general health, VT: vitality, energy, SF: social functioning, RE: role functioning difficulties caused by emotional problems, MH: mental health, MP: medical professionals, SS: social services, WE: work environment, S: spouse, F: family, NS: insignificant, P value: significant at 0.05 level.
