Comparing time and motion methods to study personnel time in the context of a family planning supply chain intervention in Senegal

Table 4 Statistical analysis of the mean difference between CO and ST for productive categories only (paired t test)

Stockroom managers’ relative time	Mean (μ)		Mean difference (MD)
Stockroom managers’ relative time	[95% CI]		x̄_ST − x̄_CO [95% CI]
Productive categories	CO	ST	CO − ST
FP productive stockroom activities	7.8%	10.8%	− 3.0% [− 7.4 to 1.4%]‡
FP productive stockroom activities	[3.2–12.4%]	[8.04–13.5%]	− 3.0% [− 7.4 to 1.4%]‡
Other productive stockroom activities	76.0%	72.6%	3.4% [− 2.8 to 9.6%] ‡
Other productive stockroom activities	[68.4–83.6%]	[67.2–78.0%]	3.4% [− 2.8 to 9.6%] ‡
Productive other	15.7%	16.8%	− 0.1% [− 6.3 to 6.0%] ‡
Productive other	[10.1–21.2%]	[10.5–21.1%]	− 0.1% [− 6.3 to 6.0%] ‡

ISSN: 1478-4491