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Table 2 Genotype distribution for the ACTN3, ACE and MAOA gene according to PA level

From: Distribution of allele frequencies for genes associated with physical activity and/or physical capacity in a homogenous Norwegian cohort- a cross-sectional study

 Low/medium PA levelHigh PA level
GenotypeAll (n = 215)Females (n = 82)Males (n = 133)All (n = 616)Females (n = 334)Males (n = 282)
ACTN3
Total (n)21482132608330278
 RR23.4%*28.0%20.5%33.4%*34.2%32.4%
 RX58.9%*57.3%59.8%47.5%*47.0%48.2%
 XX17.8%14.6%19.7%19.1%18.8%19.4%
ACE
Total (n)1616596455250205
 DD25.5%29.2%22.9%24.2%26.4%21.5%
 ID52.8%46.2%57.3%52.5%52.8%52.2%
 II21.7%24.6%19.8%23.3%20.8%26.3%
MAOA
Total (n)18770117534290244
 Low TA129.4%14.3%38.5%27.7%15.2%42.6%
 High TA255.1%44.3%61.5%49.1%42.1%57.4%
Heterozygotes315.5%41.4%23.2%42.8%
  1. Data are presented as frequency and percentages. n- number of subjects, TA- transcriptional activity genotype. 13-repeat allele male carriers and female homozygotes; 23.5- or 4-repeat allele male carriers and female homozygotes or heterozygotes; 3females only; *P < 0.01 difference in ACTN3 genotype distribution between low/medium and high PA level