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Table 1 Characteristics of sample according to gender

From: Cohabiting and becoming a parent: associations with changes in physical activity in the 1970 British cohort study

  Full samplea   Parenthood analysis   Cohabitation analysis  
Male (n = 3766) Female (n = 4279) p Male
(n = 2139)
Female
(n = 1694)
p Male
(n = 686)
Female
(n = 451)
p
Country of birth    .542    .769    .409
England 84.6% 84.6%   84.9% 85.4%   85.3% 82.5%  
Wales 5.6% 6.0%   5.4% 4.9%   5.7% 6.2%  
Scotland 9.8% 9.4%   9.7% 9.8%   9.0% 11.3%  
Ethnicity    .088    .391    .561
British 95.3% 96.1%   95.3% 95.9%   95.0% 95.8%  
Non-British 4.7% 3.9%   4.7% 4.1%   5.0% 4.2%  
Level of education achieved    <.001    <.001    .049
None 26.8% 23.8%   21.9% 15.9%   24.3% 25.9%  
Low 38.7% 40.2%   35.4% 33.0%   37.0% 29.3%  
Medium 11.9% 15.2%   12.9% 16.8%   11.1% 13.8%  
High 22.6% 20.8%   29.8% 34.3%   27.6% 31.0%  
Physical activity
30 years
Mean PA (Likert scale) 2.63 ± 1.37 2.72 ± 1.45 .037 2.72 ± 1.36 2.67 ± 1.33 .272 2.76 ± 1.41 2.62 ± 1.34 .123
Physical activity (at least 4 days/week) 25.4% 28.9% < 0.001 27.0% 25.3% .224 29.2% 24.4% .078
34 years
Mean PA (Likert scale) 2.60 ± 1.38 2.81 ± 1.45 <.001 2.67 ± 1.38 2.77 ± 1.39 .026 2.69 ± 1.41 2.68 ± 1.41 .893
Physical exercise (at least 4 days/week) 25.0% 31.2% <.001 26.0% 29.3% .025 27.6% 28.2% .824
PA change between 30 and 34 years (Likert scale) −0.03 ± 1.61 0.10 ± 1.81 .001 − 0.05 ± 1.57 0.10 ± 1.63 .001 −0.07 ± 1.63 0.06 ± 1.68 .175
Life transition events
 Becoming a parent between 30 years and 34 years 13.9% 12.4% .050 24.5% 31.4% <.001 5.7% 5.5% .919
 Start cohabiting between 30 years and 34 years 6.4% 3.4% <.001 10.4% 6.9% <.001 35.1% 32.4% .337
  1. Note. Values are presented using frequencies (percentages of sample), means and standard deviation. PA: physical activity. Parenthood analysis only includes those who become a first-time parent between 30 and 34 years vs. those who never had a child – those who become a parent before 30y were not included in this analysis. Cohabitation analysis only includes those who first started cohabitation between 30 and 34 years vs. never cohabiting – those who first started cohabitation before 30y were not included in this analysis. Level of education achieved categories: None: No formal education or less than secondary school. Low: Secondary school. Medium: At least one A level or diploma of higher education. High: Degree or higher degree. a Full sample includes all those with data available at age 30y and 34y