Factors associated with self-rated health among mineworkers in Zambia: a cross-sectional study

Table 2 Working conditions of the study participants (n = 338)

	Regular employees (n = 213)		Contract employees (n = 125)		P value
	Mean (SD)		Mean (SD)
	n	%	n	%
Job category
Nonunderground work	102	47.9	87	69.6	< 0.001
Underground work	111	52.1	38	30.4
Years of working	13.9 (8.0)		10.0 (8.0)		< 0.001 ^a
Income per month (Kwacha)	4681 (1994)		3595 (3197)		< 0.001 ^a
Working hours per week
40 h or more	176	85.4	103	85.1	0.938
Less than 40 h	30	14.6	18	14.9
Nightshift work
No	108	50.9	62	50.8	0.983
Yes	104	49.1	60	49.2
Overtime work
No	70	33.2	45	39.1	0.282
Yes	141	66.8	70	60.9
Breaks during work
No break	50	25.9	23	18.9	0.113
Every 1 to 3 h	56	29.0	31	25.4
Once (30 min to 1 h) per shift	50	25.9	47	28.5
Others	37	19.2	21	17.2
Provided a meal/snack at workplace
No	94	46.3	23	19.2	< 0.001
Yes	109	53.7	97	80.8
Guaranteed paid holidays
No paid holidays	31	17.6	27	25.7	0.094 ^b
Less than 20 days	22	12.5	18	17.1
20 days or more	123	69.9	60	57.1
Took a paid holiday in the last year
No	63	33.7	47	45.6	0.045
Yes	124	66.3	56	54.4
Sickness insurance provided by the company
No	43	21.4	60	52.2	< 0.001
Yes	158	78.6	55	47.8
Guaranteed sick leave
No	61	31.6	46	42.2	0.064
Yes	132	68.4	63	57.8
Experience of taking sick leave
No	114	60.6	64	58.7	0.744
Yes	74	39.4	45	41.3

ISSN: 1349-4147