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Table 2 Associations between sex and BMI categories (observed frequency, [% of participants from given country])

From: Comparison of the level of physical activity after the COVID-19 pandemic in Poland, Slovakia and the Czech Republic

Country

Total

(n, %)

BMI Category

Underweight

(n, %)

Normal

(n, %)

Overweight

(n, %)

Obese

(n, %)

Czech Republic

(459, 17.4)

(29, 1.1)

(364, 13.8)

(54, 2.0)

(12, 0.5)

Female

(321, 69.9)

(28, 6.1)

(262, 57.1)

(27, 5.9)

(4, 0.9)

Male

(138, 30.1)

(1, 0.2)

(102, 22.2)

(27, 5.9)

(8, 1.7)

 

x2/ p value

 

x2= 28.35, p < 0.001, Cramer’s V = 0.249

Poland

(393, 14.9)

(17, 0.6)

(245, 9.3)

(94, 3.6)

(37, 1.4)

Female

(182, 46.3)

(15, 3.8)

(125, 31.8)

(30, 7.6)

(12, 3.1)

Male

(211, 53.7)

(2, 0.5)

(120, 30.5)

(64, 16.3)

(25, 6.4)

 

x2 / p value

 

x2 = 24.90, p < 0.001, Cramer’s V = 0.252

Slovakia

(1783, 67.7)

(160, 6.1)

(1209, 45.9)

(321, 12.2)

(93, 3.5)

Female

(826, 46.3)

(98, 5.5)

(572, 32.1)

(119, 6.7)

(37, 2.1)

Male

(957, 53.7)

(62, 3.5)

(637, 35.7)

(202, 11.3)

(56, 3.1)

 

x2/ p value

 

x2= 27.46, p < 0.001, Cramer’s V = 0.124

  1. Note: BMI: Body Mass Index
  2. Statistical significance determined a priori (p < 0.05)
  3. x2 = Chi-square test of independence (r x c) within each country
  4. Strength of association = calculated Cramer’s V