Table 1.
Proposed post-2015 targets and indicators for international monitoring of access to water, sanitation and hygiene [4,5].
Table 2.
Definitions of improved, basic and safely managed water and sanitation facilities, as proposed for international monitoring [5,7].
Table 3.
Scoring system for assessing suitability of census questionnaire content for monitoring progress towards post-2015 targets relating to water.
Table 4.
Scoring system for assessing suitability of census questionnaire content for monitoring progress towards post-2015 targets relating to sanitation.
Table 5.
Other unscored population census characteristics of relevance to WASH targets.
Fig 1.
Census questionnaire availability for 83 low and middle income countries.
Colours indicate the number of census rounds with accessible questionnaire materials. The world map is sourced from Natural Earth vector map data.
Table 6.
Table of p-value for paired (by country) t-test for significant changes in water and sanitation scores between census rounds.
Table 7.
Table of Cohen’s d corresponding to Table 6.
Fig 2.
Box plots of W-scores by region.
The bottom (light blue) and top (dark blue) of the box represent the 25th and 75th percentiles respectively.
Fig 3.
Box plots of S-scores by region.
The bottom (light green) and top (dark green) of the box represent the 25th and 75th percentiles respectively.
Table 8.
p-values of t-tests and Cohen’s d between regions in water and sanitation scores.
Fig 4.
Proportion of questionnaires using common drinking-water categories in included census questionnaires by round.
Y-axis represents the percentage (%) of included censuses; x-axis is the census round with corresponding number of included censuses in brackets; Round 1: 1956–1965; Round 2: 1966–1975; Round 3: 1976–1985; Round 4: 1986–1995; Round 5: 1996–2005; Round 6: 2006–2015; error bars show standard errors.
Fig 5.
Proportion of questionnaires using common sanitation categories in included census questionnaires by round.
Y-axis represents the percentage (%) of included censuses; x-axis is the census round with corresponding number of included censuses in brackets; Round 1: 1956–1965; Round 2: 1966–1975; Round 3: 1976–1985; Round 4: 1986–1995; Round 5: 1996–2005; Round 6: 2006–2015; error bars show standard errors.