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Original articles  SPORT PSYCHOLOGY 

The Journal of Sports Medicine and Physical Fitness 2002 June;42(2):224-32


language: English

Relation of the stages of change for exercise behaviors, self-efficacy, decisional-balance, and diet-related psycho-behavioral factors in young Japanese women

Wakui S., Shimomitsu T., Odagiri Y., Inoue S., Takamiya T., Ohya Y.

From the Department of Preventive Medicine and Public Health Tokyo Medical University Tokyo, Japan

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Background. A ­large pro­por­tion of ­young Japanese wom­en is inac­tive. Exercise has impor­tant ­health ben­e­fits, how­ev­er, abnor­mal ­weight/eat­ing con­cerns and exces­sive diet­ing prac­tic­es ­among phys­i­cal­ly ­active ­young wom­en ­also ­have ­been report­ed in ­many ­cross-sec­tion­al stud­ies. The pur­pose of ­this ­study was to exam­ine the rela­tion­ships ­between stag­es of ­change for exer­cise behav­iors and exer­cise/diet­ing relat­ed psy­cho-behav­ior­al fac­tors ­using the Transtheoretical Model of behav­ior ­change as a theo­ret­i­cal frame­work.
Methods. A ­cross-sec­tion­al ­study includ­ed 450 ­young Japanese wom­en ­aged 18 to 21 (18.4±0.67 ­years). Subjects in pre­con­tem­pla­tion (n=111, 24.7%), con­tem­pla­tion (n=120, 26.7%), prep­ar­a­tion (n=177, 39.3%), ­action (n=17, 3.8%), and main­te­nance (n=25, 5.6%) ­were com­pared on phy­sique, ­body com­po­si­tion, cur­rent exer­cise prac­tic­es, exer­cise ­self-effi­ca­cy, dec­i­sion­al bal­ance (ben­e­fits and ­costs exer­cise), as ­well as diet­ing behav­iors and ­weight/eat­ing con­cerns.
Results. Stages of ­change for exer­cise behav­iors ­were sig­nif­i­cant­ly relat­ed to exer­cise ­self-effi­ca­cy and per­ceived ben­e­fits as ­well as to diet­ing behav­iors and ­weight/eat­ing con­cerns. Subjects in the high­er stag­es had high­er ­self-effi­ca­cy, per­ceived ben­e­fits of exer­cise, and ­healthy diet­ing behav­iors; how­ev­er, ­some of ­them ­also had unhealthi­er die­tary prac­tic­es, high­er pho­bia of obes­ity and obses­sion ­with eat­ing ­than ­those in low­er stag­es.
Conclusions. These find­ings pro­vide sup­port for apply­ing the trans­the­o­ret­i­cal mod­el of exer­cise behav­ior­al ­change to Japanese ­young wom­en. Additionally, it is ­also impor­tant to pay atten­tion to ­stage spe­cif­ic psy­cho-behav­ior­al fac­tors relat­ed to ­their diet­ing.

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