Medical treatment rates on shore for crew members of cruise ships

Figures & data

Table 1. Sample characteristics by gender.

	Total sample (n = 1026)			Male (n = 741)		Female (n = 285)
	[M ± SD] (range)
Age (years)	32.7 ± 8.2 (19 – 67)			33.8 ± 8.4 (19 – 67)		29.9 ± 6.6 (19 – 59)
Origin: Mean age ± SD]
Germany	33.0 ± 9.7 (19 – 66)			35.9 ± 10.9 (19 – 66)		29.5 ± 6.5 (19 – 53)
Europe	32.0 ± 8.1 (22 – 67)			33.0 ± 8.4 (22 – 67)		30.2 ± 7.2 (22 – 59)
Asia	32.3 ± 6.6 (20 – 59)			32.6 ± 6.5 (22 – 59)		30.3 ± 6.7 (20 – 55)
North & South America	33.8 ± 7.4 (19 – 56)			34.3 ± 7.4 (24 – 56)		30.4 ± 6.4 (19 – 45)
Patient counts by Professional Groups
Patient (count)	Total sample (n = 1026)	GA (n = 373)	MA (n = 132)	LS (n = 202)	STCS (n = 249)	ONP (n = 70)
Male [% count)]	72.2 (741)	86.9 (324)	52.3 (69)	50.0 (101)	75.9 (189)	82.9 (58)
Female [% (count)]	27.8 (285)	13.1 (49)	47.7 (63)	50.0 (101)	24.1 (60)	17.1 (12)
Patient counts by origin
Patient (count)	Total sample (n = 1026)	GE (n = 378)		EU (n = 146)	AS (n = 401)	N/SA (n = 101)
Male [% (count)]	72.2 (741)	55.3 (209)		65.8 (96)	86.8 (348)	87.1 (88)
Female [% (count)]	27.8 (285)	44.7 (169)		34.2 (50)	13.2 (53)	12.9 (13)

Remarks. n: Sample size. M ± SD: mean ± standard deviation; Range: Range between minimum and maximum

Professional Groups: GA: gastronomy; MA: management; LS: leisure sector; STCS: service-technique-cleaning-security; ONP: officer, nautical professions)

Country Groups: GE: Germany; EU: Europe; AS: Asia; N/SA: North & South America

Figure 1. Number of treatment cases in the illness groups.

Remarks illness groups: Dental or jaw diseases (dental caries care, jaw abscesses, tooth extractions, root inflammation, emergency dental bridge repair); neurological and sensory disorders (tinnitus, hearing loss, eye disorders, migraine, epilepsy); diseases of the musculoskeletal system (pain in the back, limbs, joints, muscles, sciatic nerve, rheumatism, diseases of the spine); digestive diseases (gall bladder, liver, pancreas, intestine disorders); accidental injury (recreational or occupational accidents, injuries to the back and limbs, burns).

Table 2. Treatment cases per group of illnesses by occupation [%].

Occupational Groups	GA n = 628	MA n = 201	LS n = 313	STCS n = 377	ONP n = 108	Significance test
						Test size	p Value
Cardiovascular system diseases	1.1	1.5	1.3	0.8	0.9	FE = 1.00	.930
Respiratory diseases	2.9	3.5	1.6	0.5	1.9	FE = 9.35	.042*
Dental and jaw diseases	61.8	47.3	49.2	58.4	53.6	χ^2 = 21.69	< .001***
Digestive system diseases	3.8	5.0	1.9	5.3	0.9	FE = 8.76	.061
Urogenital tract disorders	3.2	1.5	3.5	2.7	5.6	FE = 4.34	.355
Preventive check-ups	1.1	1.5	1.6	1.6	0.9	FE = 0.92	.934
Neurological and sensory disorders	10.7	16.3	15.6	12.2	13.0	χ^2 = 6.89	.141
Accidental injuries	2.2	1.0	0.0	2.9	2.8	FE = 12.60	.009**
Diseases of the musculoskeletal system	6.1	11.4	11.8	6.6	16.7	χ^2 = 22.03	< .001***
Gynaecological diseases	1.8	6.0	9.3	4.5	2.8	FE = 28.56	< .001***
Tumours (cancer)	0.6	0.0	0.0	0.3	0.0	FE = 2.42	.637
Skin disorders	4.5	5.0	4.2	4.2	0.9	FE = 3.52	.469
Psychological impairments	0.2	0.0	0.0	0.0	0.0

Remarks. n: Sample size. Significance level (two-tailed): * p < .05; ** p < .01; *** p < .001; %: relative frequencies in percentage, FE: Fisher’s exact test; _X²: Pearson test

Occupational groups: GA: gastronomy; MA: management; LS: leisure sector; STCS: service-technique-cleaning-security; ONP: officer, nautical professions

Illness groups: Dental or jaw diseases (dental caries care, jaw abscesses, tooth extractions, root inflammation, emergency dental bridge repair); neurological and sensory disorders (tinnitus, hearing loss, eye disorders, migraine, epilepsy); diseases of the musculoskeletal system (pain in the back, limbs, joints, muscles, sciatic nerve, rheumatism, diseases of the spine); digestive diseases (gall bladder, liver, pancreas, intestine disorders); accidental injury (recreational or occupational accidents, injuries to the back and limbs, burns).

Figure 2. Total treatment cases (n = 1627) by occupational group and gender [%].

Figure 3. Total treatment cases (n = 1627) by country of origin and gender (frequencies [%].

Table 3. Treatment cases per group of illnesses by groups of countries [%].

Groups of countries	Country of origin				Significance test
	GE n = 557	EU n = 230	AS n = 693	N/SA n = 147	Test size	p Value
Cardiovascular system diseases	1.4	1.3	0.9	0.7	FE = 1.22	.779
Respiratory diseases	1.8	1.7	2.0	4.1	FE = 3.03	.380
Dental and jaw diseases	48.8	47.0	65.7	54.3	χ^2 = 45.64	< .001***
Digestive system diseases	4.3	2.6	2.5	9.5	C^2 = 18.12	.001**
Urogenital tract disorders	2.7	3.0	2.7	6.1	FE = 4.60	.195
Preventive check-ups	1.4	2.6	1.0	0.7	FE = 3.41	.305
Neurological and sensory disorders	15.7	15.8	10.1	11.6	χ^2 = 10.28	.016*
Accidental injuries	1.8	0.0	2.6	1.4	FE = 7.56	.049*
Diseases of the musculoskeletal system	11.1	13.0	5.6	6.8	χ^2 = 18.57	< .001***
Gynaecological diseases	6.3	9.1	2.0	1.4	χ^2 = 29.33	< .001***
Tumours (cancer)	0.0	0.0	0.7	0.0	FE = 4.50	.143
Skin disorders	4.5	3.9	4.2	3.4	χ^2 = 0.40	.949
Psychological impairments	0.2	0.0	0.0	0.0

Remarks. n: Sample size. Significance level (two-tailed): * p < .05; ** p < .01; *** p < .001; %: relative frequencies in percentage, FE: Fisher’s exact test; _X²: Pearson test

Country groups: GE: Germany; EU: Europe; AS: Asia; N/SA: North and South America

Illness groups: Dental or jaw diseases (dental caries care, jaw abscesses, tooth extractions, root inflammation, emergency dental bridge repair); neurological and sensory disorders (tinnitus, hearing loss, eye disorders, migraine, epilepsy); diseases of the musculoskeletal system (pain in the back, limbs, joints, muscles, sciatic nerve, rheumatism, diseases of the spine); digestive diseases (gall bladder, liver, pancreas, intestine disorders); accidental injury (recreational or occupational accidents, injuries to the back and limbs, burns).

Table 4. Odds ratio – dental and jaw diseases

Germany vs. Asia	Signification p value	Exp (B)/(OR) n = 201 (12.4%)	95% CI Lower value	95% CI Upper value
Gender (Reference: male)	.003	0.587	0.415	0.830
Age (mean split; Reference: younger group)	.309	1.166	0.867	1.567
Occupational groups (Reference: gastronomy)	.635	0.923	0.661	1.287
Country group Asia (Reference: Germany)	.002	1.641	1.190	2.262

Remarks: Occupational groups: all occupational groups combined; binary logistic regression (method: Enter); target variable: groups of countries Germany vs. Asia; significant level (two-tailed): * p < .05; ** < .01; *** < .001; goodness-of-fit model's quality: 5.9%.