Stockroom managers’ relative time | Mean (μ) | Mean difference (MD) | |
---|---|---|---|
[95% CI] | x̄CO − x̄ST [95% CI] | ||
All categories | CO | ST | ST − CO |
FP productive stockroom activities | 4.1% | 9.8% | 5.7% [3.6–7.8%]* |
[2.1–6.1%] | [7.3–12.3%] | ||
Other productive stockroom activities | 47.0% | 65.7% | 18.7% [11.9–25.5%]* |
[38.9–55.1%] | [60.1–71.3%] | ||
Productive other | 9.5% | 15.1% | 5.6% [0.4–10.9%]‡ |
[6.5–12.4%] | [9.7–20.5%] | ||
Waiting time | 36.3% | 5.3% | − 31.0% [− 38.4 to − 23.5%]* |
[27.7–44.8%] | [1.5–9.1%] | ||
Non-productive | 3.2% | 4.1% | − 1.0% [− 1.9 to 3.8%]‡ |
[0.6–5.7%] | [2.5–5.7%] |