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Validity and reliability of the International Physical Activity Questionnaire (IPAQ) long-form in a subsample of female Mexican teachers
Author(s) -
Catalina Medina,
Adriana Monge,
Edgar DenovaGutiérrez,
Ruy LópezRidaura,
Sı́món Barquera,
Isabelle Romieu,
Martín Lajous
Publication year - 2022
Publication title -
salud pública de méxico/salud pública de méxico
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.668
H-Index - 54
eISSN - 1606-7916
pISSN - 0036-3634
DOI - 10.21149/12889
Subject(s) - physical activity , reliability (semiconductor) , medicine , test (biology) , physical therapy , demography , psychology , power (physics) , physics , quantum mechanics , paleontology , sociology , biology
Objective. To evaluate the test-retest reliability and validity of the long-form International Physical Activity Questionnaire (IPAQ-long form). Materials and methods. A subsample of 86 teachers underwent telephone interviews and clinic visits in Mexico City. Through 22 months, physical activity (PA) levels were obtained from accelerometers (months 6 and 22) and IPAQ long-form (months 1, 3, 6, 9 and 12). Minutes per week of moderate (MPA), walking (WPA), vigorous (VPA) and moderate-to-vigorous physical activity (MVPA) were calculated for each intensity and domain. Variables were loga­rithmically transformed. Intra-class and Pearson correlations were used to determine the relationship between instru­ments. Results. Test-retest reliability of the average IPAQs long-form varied across intensities and domains (ranged from r= 0.24 to r= 0.65). Minutes per week of VPA and MVPA ac­celerometer 1 (AC1) were fairly associated to International Physical Activity Questionnaire-long form 3 (IPAQ3) (r= 0.60 and r= 0.31, respectively) one week apart. Conclusions. IPAQ long-form is fairly reliable for MVPA and valid for as­sessing MVPA and VPA in a subsample of Mexican teachers.

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