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Table 2 Comparisons of exogenous factors between the group with a 1-year prevalence of hand eczema in 2008 (Group HX), and the group reporting never having had hand eczema (Group NoHX)

From: Prevalence, incidence and predictive factors for hand eczema in young adults – a follow-up study

  Group HX Group NoHX
Mean, Median, (Q1 – Q3) Mean, Median, (Q1 – Q3)
  Females Males Total Females Males Total
Number of persons in the household, yourself included (n = 1254) 3.0, 3, (2 – 4) a>, c> 2.5, 2, (2 – 3) 2.8, 3, (2 – 4) b> 2.7, 3, (2 – 4) c> 2.4, 2, (1 – 3) 2.6, 2, (2 – 4)
Number of children below 4 years of age (n = 1191) 0.8, 1, (0 – 1) c> 0.5, 0, (0 – 1) 0.7, 1, (0 – 1) 0.7, 0, (0 – 1) c> 0.6, 0, (0 – 1) 0.6, 0, (0 – 1)
Hours a day taking care of children 0 – 4 y (n = 1165) 5.3, 3, (0 – 8) c> 1.6, 0, (0 – 3) 4.3, 1, (0 – 6) b> 5.1, 0, (0 – 6) c> 2.0, 0, (0 – 3) 3.6, 0, (0 – 5)
Hours a day cooking (n = 1245) 1.3, 1, (1 – 1.5) c> 1.2, 1, (1 – 1) 1.2, 1, (1 – 1) b> 1.3, 1, (1 – 1.5) c> 1.0, 1, (0.5 – 1) 1.1, 1, (1 – 1)
Hours a day cleaning/making laundry (n = 1236) 1.3, 1, (1 – 2) a>, c> 0.7, 1, (0.3 – 1) 1.2, 1, (1 –1) b> 1.1, 1, (1 – 1) c> 0.7, 1, (0.2 – 1) 0.9, 1, (0.5 – 1)
Number of times a day washing hands at home (n = 1241) 8.8, 7, (5 – 10) a>, c> 4.4, 3.5, (3 - 5) 7.6, 6, (4 – 10) b> 7.2, 5, (4 – 10) c> 4.4, 4, (3 – 5) 5.9, 5, (3 – 7)
Number of times a day washing hands at work (n = 1193) 9.2, 6, (4 – 10) a>, c> 6.2, 3.5, (3 - 8) a> 8.3, 5, (3 – 10) b> 7.5, 5, (3 – 10) c> 4.5, 3, (2 – 5) 6.0, 4, (3 – 6)
Number of times a day washing hands, at home and at work (n = 1189) 17.4, 13.3, (10–20)a>, c> 10.6, 8 (5.8 - 14) 15.4, 12, (8 –17.8) b> 14.5, 11, (8 – 15) c> 8.8, 7 (5 – 10) 11.7, 9, (6 – 14)
If smoking; number of cigarettes a day (n = 112) 9.6, 8, (3.5 – 15) 7.3, 5, (2 – 15) 9.3, 8,(3.3 – 15) 6.5, 5, (2 - 10) 7.6, 5.5, (2 – 11.5) 7.1, 5, (2 – 10)
If using protective gloves at work: hours a day using them (n = 398) 2.8, 2, (1 – 3) c< 3.5, 3, (1.5 – 5.5) 2.9, 2, (1 – 4) 2.3, 2, (1 - 3) 3.8, 2, (1 – 6) 3.1, 2, (1 – 4)
Number of working hours at ordinary work (n = 1212) 35.6, 40, (30 – 40) c< 41.7, 40, (40 – 45) 37.3, 40, (34 – 40) b< 36.7, 40, (34 - 40) 41.9, 40, (40 – 45) 39.2, 40, (38 – 40)
Number of working hours at additional work (n = 107) 4.7, 3, (2 – 7.3) 11.2, 12.5(1.5 -20) 6.1, 3.5, (2 – 8) 10.4, 5, (2 – 12) 9.0, 6, (3 – 10) 9.6, 5, (3 – 10)
Number of working hours at ordinary and additional work (n = 101) 39.8, 41, (30 – 48) c< 51.0, 56,(41–59) 42.0, 42.5,(31-51) 44.3, 43 (39 – 50) 50.6, 50, (44 – 55) 47.9, 46, (41 – 53)
Hours a week gardening (during summer season). (n = 1201) 2.3, 1, (0 – 3) 2.5, 1, (0 – 3) 2.4, 1, (0 – 3) 2.5, 1, (0 – 3) 2.7, 1, (0 – 3) 2.6, 1, (0 – 3)
Hours a week repairing cars/engines (n = 1168) 0.2, 0, (0 – 0) c< 2.9, 0, (0 – 1) 1.0, 0, (0 – 0) 0.1, 0, (0 – 0) 1.5, 0, (0 – 1) 0.8, 0, (0 – 0)
Hours a week doing building work, restoration (n = 1179) 2.4, 0, (0 – 1) c< 3.6, 1, (0 – 3) 2.7, 0, (0 – 2) 2.4, 0, (0 – 1) c< 5.1, 1, (0 – 4.75) 3.8, 0, (0 – 2)
Hours a week doing sports/athletics (n = 1184) 4.4, 2, (1 – 4) 3.3, 2, (1 – 4) 4.1, 2, (1 – 4) 4.0, 2, (1 – 5) 4.2, 2, (1 – 4) 4.1, 2, (1 – 4)
Hours a week doing hobbies (n = 979) 4.3, 2, (0 – 5) c< 4.6, 2, (0 – 4.5) 4.4, 2, (0 – 5) 3.4, 2, (0 – 4.5) 5.2, 2, (0 – 5) 4.3, 2, (0 – 5)
  1. Significant differences (p < 0.05) between groups, totals and/or genders are marked with bold letters. a: significant differences within females or within males in different groups, b: significant difference between totals, c: significant difference between females and males in a group, < or >: the group or the gender has significantly lower or significantly higher frequency than the compared group. Mann-Whitney U test.
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