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Table 2 Association between physical exercise and self-reported depression in male and female university and college students in the SHoT study, Norway, 2018

From: Physical exercise, mental health problems, and suicide attempts in university students

 Self-reported depression
  Unadjusted modelAdjusted modela
n%OR95%CI-95%CI+OR95%CI-95%CI+
Women
Physical exercise frequency
Never32024.7%2.992.583.462.532.152.98
Less than once a week72017.7%1.971.772.201.701.501.91
Once a week80214.1%1.501.351.671.421.271.59
2–3 times per week170210.9%1.121.021.221.090.991.20
Almost every day7549.9%1.001.00
Physical exercise intensity320       
I take it easy without breaking into a sweat or losing my breath106017.0%1.571.371.791.471.271.69
I push myself so hard that I lose my breath and break into a sweat258510.8%0.930.831.060.920.811.05
I push myself to near-exhaustion32411.5%1.001.00
Physical exercise duration
Less than 15 min11321.5%2.291.842.842.141.682.73
15–29 min54616.5%1.651.481.841.561.391.77
30 min to 1 h220111.7%1.111.031.201.101.011.20
More than 1 h110610.7%1.001.00
Men
Physical exercise frequency
Never16418.5%4.863.886.094.083.195.20
Less than once a week25412.0%2.922.403.562.582.093.18
Once a week1808.3%1.931.562.391.871.492.34
2–3 times per week4016.6%1.511.261.811.451.201.76
Almost every day1824.5%1.001.00
Physical exercise intensity
I take it easy without breaking into a sweat or losing my breath24011.5%1.951.582.411.851.472.33
I push myself so hard that I lose my breath and break into a sweat6206.3%1.010.841.211.050.861.28
I push myself to near-exhaustion1526.2%1.001.00
Physical exercise duration
Less than 15 min4013.9%2.671.883.792.351.613.45
15–29 min14911.8%2.211.812.702.251.822.78
30 min to 1 h4267.2%1.291.121.481.281.111.49
More than 1 h3975.7%1.001.00
  1. a Adjusted for sociodemographics, body-mass index, alcohol use and problems and sleep duration