TABLE 1

Estimated serologic protection of women aged 15 to 39 years from tetanus in Cambodia in 2012

PopulationTotal no.SeroprotectedaAntibody level (IU/ml)
No.%LCLbUCLcP valueMedianIQRe
Overall2,1501,8628886892.340.20–7.60
Regions
    Phnom Penh4694068781910.014d1.890.15–6.96
    Southeast4193749085933.390.36–8.25
    Southwest4233688884912.260.22–8.10
    West4453608277851.970.11–7.58
    North3943549185942.380.10–7.45
Risk levels
    High/medium5614958784900.9233.450.34–8.03
    Low1,5891,3678885902.090.14–7.54
Urban/rural
    Urban6555658682890.1881.970.11–7.39
    Rural1,4951,2978886902.410.25–7.69
Age (yr)
    15–19435261635868<0.001d0.030.00–1.76
    20–244684068782902.060.12–8.61
    25–294834589592974.861.00–13.66
    30–344494379693984.361.25–8.06
    35–393153009693982.330.90–6.67
Parity
    Parous1,3561,299979598<0.001d4.591.19–8.98
    Nulliparous7945637168750.200.01–3.84
  • a Tested by DAE, where seroprotected is defined as ≥0.01 IU/ml.

  • b LCL, lower confidence limit.

  • c UCL, upper confidence limit.

  • d Groups were statistically significantly different by Rao-Scott chi-square test.

  • e IQR, interquartile range.