Table 3 Results of factor analysis of students going to school toilets^s

Was the toilet usually crowded (X₁)

Did you need to wait while using the toilet (X₂)

Was the toilet usually clean (X₃)

Was there usually any stool or urine on the toilet floor (X₄)

Was there usually any garbage (such as toilet paper) on the toilet floor (X₅)

Was there usually any dirty water stain on the toilet floor (X₆)

Was there usually any stool or urine in the defecation pit (X₇)

Was there usually any garbage (such as toilet paper) in the defecation pit (X₈)

Was the toilet usually dark (X₉)

Were there usually flies and maggots in the toilet (X₁₀)

Did you wash hands every time after using the toilet (X₁₁)

Did you often go to the toilet alone (X₁₂)

Did you usually go to the toilet with close friends (X₁₃)

Would you accompany your close friends to the toilet whenever you did not want to go (X₁₄)

Would you wait for your close friends to return to the classroom whenever you met him or her in the toilet (X₁₅)

How did you usually deal with the situation of meeting a classmate having a bad relationship with you when going to the toilet (X₁₆)

How did you usually deal with the situation of meeting a classmate who likes to bully other students when going to the toilet (X₁₇)

How did you usually deal with the situation of meeting a teacher when going to the toilet (X₁₈)

Root eigenvalue

Variance contribution rate (%)