The Korean Journal of Sports Medicine

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Table. 2.

Table. 2.

Total physical activity according to household income and education level

Variable Physical activity (min/wk)

Men Women


Mean SE p for trend Mean SE p for trend
Household income* <0.0001 0.3379
Low 59.3 3.11 42.0 1.89
Middle–low 84.5 3.52 53.2 1.72
Middle–high 91.3 3.30 56.3 1.77
High 99.0 3.00 60.1 1.71
Education level 0.0038 <0.0001
≤Elementary school 52.8 5.02 33.4 1.33
Middle school 60.2 3.87 46.2 2.09
≥College 91.6 2.31 61.8 1.49

SE: standard error.

*Low: first quartile, middle–low: second quartile, middle–high: third quartile, and high: fourth quartile.

p for trend was from PROC SURVEYREG analysis (SAS version 9.4 SAS Institute, Cary, NC, USA). Adjusted for age, obesity, current smoking status, alcohol drinking status, and education level. Adjusted for age, obesity, current smoking status, alcohol drinking status, and household income.

Korean J Sports Med 2022;40:22-9 https://doi.org/10.5763/kjsm.2022.40.1.22
© 2022 Korean J Sports Med