Table 2. Heterogeneity and pooled seroprevalence (%, 95% CI) of studies among mobile populations by year from 1992 to 2013.
Random-effects | Fixed-effects | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Time | No. studies | Sample size | I2 | Q | DF | P-val (Q) | Prev. | Lower | Upper | Prev. | Lower | Upper |
1992 | 1 | 9759 | NA | NA | NA | NA | 0.069 | 0.064 | 0.074 | 0.069 | 0.064 | 0.074 |
1993 | 1 | 4809 | NA | NA | NA | NA | 0.056 | 0.05 | 0.063 | 0.056 | 0.05 | 0.063 |
1994 | 2 | 14385 | 0.498 | 0.992 | 0.5 | <0.001 | 0.01 | 0 | 0.239 | 0.05 | 0.045 | 0.054 |
1995 | 5 | 44119 | 0.494 | 0.994 | 0.8 | <0.001 | 0.023 | 0.015 | 0.034 | 0.042 | 0.04 | 0.044 |
1996 | 7 | 49440 | 0.477 | 0.985 | 0.857 | <0.001 | 0.018 | 0.013 | 0.024 | 0.021 | 0.02 | 0.023 |
1997 | 8 | 52916 | 0.495 | 0.997 | 0.875 | <0.001 | 0.015 | 0.009 | 0.026 | 0.021 | 0.02 | 0.023 |
1998 | 7 | 42942 | 0.495 | 0.996 | 0.857 | <0.001 | 0.013 | 0.007 | 0.025 | 0.022 | 0.02 | 0.024 |
1999 | 9 | 47210 | 0.492 | 0.996 | 0.889 | <0.001 | 0.022 | 0.015 | 0.033 | 0.025 | 0.023 | 0.026 |
2000 | 7 | 52797 | 0.495 | 0.996 | 0.857 | <0.001 | 0.011 | 0.006 | 0.02 | 0.02 | 0.019 | 0.022 |
2001 | 8 | 51439 | 0.488 | 0.993 | 0.875 | <0.001 | 0.01 | 0.006 | 0.017 | 0.014 | 0.013 | 0.015 |
2002 | 7 | 55360 | 0.495 | 0.997 | 0.857 | <0.001 | 0.009 | 0.004 | 0.017 | 0.021 | 0.02 | 0.023 |
2003 | 9 | 96834 | 0.492 | 0.996 | 0.889 | <0.001 | 0.009 | 0.005 | 0.016 | 0.009 | 0.009 | 0.01 |
2004 | 10 | 79104 | 0.496 | 0.998 | 0.9 | <0.001 | 0.015 | 0.008 | 0.026 | 0.018 | 0.016 | 0.019 |
2005 | 13 | 87443 | 0.494 | 0.998 | 0.923 | <0.001 | 0.011 | 0.006 | 0.019 | 0.015 | 0.014 | 0.016 |
2006 | 16 | 106458 | 0.496 | 0.999 | 0.933 | <0.001 | 0.012 | 0.006 | 0.021 | 0.014 | 0.014 | 0.016 |
2007 | 14 | 79182 | 0.49 | 0.997 | 0.929 | <0.001 | 0.01 | 0.006 | 0.015 | 0.019 | 0.018 | 0.02 |
2008 | 20 | 79612 | 0.495 | 0.999 | 0.95 | <0.001 | 0.013 | 0.008 | 0.024 | 0.02 | 0.019 | 0.022 |
2009 | 13 | 47630 | 0.493 | 0.998 | 0.923 | <0.001 | 0.016 | 0.008 | 0.029 | 0.018 | 0.017 | 0.019 |
2010 | 9 | 28452 | 0.489 | 0.995 | 0.889 | <0.001 | 0.017 | 0.007 | 0.038 | 0.012 | 0.011 | 0.014 |
2011 | 7 | 19365 | 0.483 | 0.989 | 0.857 | <0.001 | 0.016 | 0.007 | 0.037 | 0.011 | 0.01 | 0.013 |
2012 | 3 | 17904 | 0.473 | 0.951 | 0.667 | <0.001 | 0.013 | 0.006 | 0.03 | 0.008 | 0.007 | 0.009 |
2013 | 1 | 443 | NA | NA | NA | NA | 0.016 | 0.008 | 0.033 | 0.016 | 0.008 | 0.033 |