Table 1

Demographic characteristics of the participants of the male infertility study (n=1906)

Characteristics n %
Age (y):
 Range18–65
 Mean31.4
 SD5.96
 % Aged 20–4496.7
Marital status:
 Married159083.4
 Living together30015.7
 Not living together160.9
Place of birth:
 United Kingdom152079.7
 Africa19310.1
 India, Pakistan, and Bangladesh1186.2
 Elsewhere754.0
Current employment:
 Working174791.7
 Unemployed1437.5
 Student120.6
 Retired40.2
Area of residence1-150:
 Leicestershire160683.4
 Northamptonshire25913.6
 Elsewhere412.2
Social class (1980 classification)21:
 I1357.1
 II43522.8
 IIIN19310.1
 IIIM75839.8
 IV32216.9
 V482.5
 Armed forces and students120.6
 Never worked30.2

  • ↵1-150 Residence defined on the basis of postcode and address.