Table 4 Result of Facture analysis of the MFKI based on EFA (n=600)

Factor 1: Environment and reproductive health (ERH)

 1. An occlusion (blockage) in the male reproductive system can affect a man’s fertility

0.537

 2. Men do not experience a natural decline in their fertility

0.378

 3. If a man already has one biological child, he will not have trouble conceiving again

0.646

 4. Use of anabolic steroids once a week can negatively affect a man’s fertility (steroids contain Testosterone and are performance enhancing drugs used to increase muscular strength and body weight)

0.848

Factor 2: Lifestyle factors (LSF)

 5. A man’s weight/BMI (Body Mass Index) can affect his fertility

0.858

 6. A man's diet does not affect his fertility

0.686

 7. Chronic consumption of alcohol can affect sperm quality

0.913

 8. Smoking cigarettes can affect a man’s fertility

0.668

Factor 3: Sperm quality (SQ)

 9. Men continue to produce and mature new sperm every 72 days

0.805

 10. Intense, sustained exercise can improve a man’s sperm quality (i.e., 4-5 times a week for 2 hours)

0.328

 11. Men who have had mumps before puberty may experience fertility problems if left untreated

0.589

 12. Some lubricants negatively affect sperm

0.697

 13. Chromosomal changes can affect the production and transportation of sperm

0.616

% of variance observed

0.23

0.22

0.21

Total score

0.66