Table 4

Nutrient intakes (mean (SD)) compared between day workers, non-flight shift workers and in-flight workers in men and in separate age groups

Nutrient		Regular day work n=352	Non-flight shift work n=394	In-flight work n=69	p Value crude	p Value*	p Value†
Fat, % energy	All	32.5 (3.4)	33.0 (3.6)‡§	31.7 (3.1)	0.003	0.016	0.026
	Age <48	33.1 (3.5)	33.4 (3.8)	32.1 (3.3)	0.06	0.10	0.09
	Age ≥48	32.0 (3.2)	32.5 (3.3)§	30.9 (2.7)	0.023	0.09	0.17
Saturated fat, % energy	All	11.8 (1.7)	12.1 (2.0)‡§	11.6 (1.8)	0.005	0.053	0.06
	Age ≤48	12.1 (1.9)	12.4 (2.1)§	11.8 (1.9)	0.038	0.14	0.11
	Age >48	11.6 (1.6)	11.8 (1.7)	11.2 (1.4)	0.11	0.29	0.41
Fibre, g	All	22.1 (6.9)	21.7 (5.0)	21.3 (4.7)	0.63	0.83	0.83
	Age ≤48	21.1 (6.6)	21.0 (4.6)	20.3 (4.2)	0.72	0.55	0.63
	Age >48	22.8 (7.1)	22.4 (5.2)	22.8 (5.2)	0.81	0.86	0.81
Sucrose, % energy	All	8.4 (2.1)	8.3 (2.1)	8.3 (2.0)	0.77	0.78	0.66
	Age ≤48	8.4 (2.3)	8.4 (2.1)	8.5 (2.0)	0.89	0.50	0.53
	Age >48	8.4 (2.0)	8.1 (2.0)	7.9 (2.0)	0.24	0.21	0.16
Vitamin D, μg	All	7.4 (4.3)	7.2 (2.6)	7.1 (2.6)	0.35	0.46	0.51
	Age ≤48	7.7 (6.2)	7.1 (2.1)	6.9 (2.4)	0.42	0.52	0.61
	Age >48	7.3 (2.1)	7.2 (3.1)	7.4 (2.9)	0.77	0.79	0.85
Vitamin C, mg	All	85.7 (39.6)	84.6 (50.6)§	94.4 (47.8)‡	0.008	0.038	0.044
	Age ≤48	82.1 (37.8)	82.1 (45.5)	95.5 (55.6)‡	0.03	0.07	0.08
	Age >48	88.3 (40.8)	87.5 (55.4)	92.6 (31.9)	0.17	0.33	0.32
Iron, mg	All	13.7 (2.1)	13.7 (1.9)	13.3 (1.6)	0.22	0.23	0.20
	Age ≤48	13.4 (2.2)	13.6 (1.8)§	13.0 (1.3)	0.11	0.05	0.06
	Age >48	13.9 (2.0)	13.8 (1.9)	13.8 (2.0)	0.83	0.76	0.74

Bold p values are statistically significant.
*Education and age adjusted in all analyses; education adjusted in age group analyses.
†Education, age, sleep, stress and lifestyle intervention meetings adjusted in all analyses; education, sleep, stress and lifestyle intervention meetings adjusted in age group analyses.
‡p Value <0.05 compared with day work.
§p Value <0.05 compared with in-flight work.