Table 4.

Comparison in productivity between the hours of 6–9 am, 9 am–12 pm, and 12–3 pm.

	Time of different work phase	Productivity
		Mean (SD)	(df)	F	p
1	6–9 am	7.52 (3.56)	(2, 1185)	557.59	<0.001
2	9 am–12 pm	4.11 (1.88)
3	12–3 pm	1.89 (0.93)

^∗One-way ANOVA. Post hoc analysis: a Tukey post hoc analysis indicated that the productivity was statistically significant higher between the hours of 6–9 am 7.52 (3.56) and the hours of 12–3 pm 1.89 (0.93), (p < 0.001), compared to the hours of 9 am–12 pm 4.11 (1.88), (p < 0.001).