The Impact of Heat on Health and Productivity among Maize Farmers in a Tropical Climate Area

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
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), (), compared to the hours of 9 am–12 pm 4.11 (1.88), ().