Table 1 Candidate variables and associated chi-square statistics and p-values, for men and women
From: Individual risk of cutaneous melanoma in New Zealand: developing a clinical prediction aid
Women | Men | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Controls n (%) | Cases n (%) | Chi-square statistic | p | Controls n (%) | Cases n (%) | Chi-square statistic | p | ||
Age at diagnosis (AGE) | <=50 years | 57 (41) | 93 (51) | 3.22 | 0.073 | 69 (53) | 53 (28) | 18.98 | <0.001 |
> 50 years | 82 (59) | 89 (49) | 62 (47) | 133 (72) | |||||
Had blistering sunburn (SUNBURN) | 71 (51) | 118 (65) | 6.16 | 0.013 | |||||
Teenage hair colour (HAIRCOLOUR) | Black/brown | 89 (64) | 89 (49) | 7.30 | 0.007 | ||||
Fair/blond/red | 50 (36) | 93 (51) | |||||||
Eye colour (EYECOLOUR) | Brown | 25 (18) | 20 (11) | 5.26 | 0.154 | 17 (13) | 39 (21) | 5.20 | 0.158 |
Hazel | 30 (22) | 31 (17) | 29 (22) | 30 (16) | |||||
Green | 20 (14) | 29 (16) | 17 (13) | 30 (16) | |||||
Grey/blue | 64 (46) | 102 (56) | 68 (52) | 87 (47) | |||||
Skin colour (SKINCOLOUR) | Olive | 22 (16) | 7 (4) | 18.50 | <0.001 | 12 (9) | 17 (9) | 3.88 | 0.144 |
Medium | 53 (38) | 57 (31) | 56 (43) | 60 (32) | |||||
Fair | 64 (46) | 118 (65) | 63 (48) | 109 (59) | |||||
Freckling (FRECKLING) | None | 77 (55) | 73 (40) | 14.19 | 0.003 | ||||
Few | 45 (32) | 60 (33) | |||||||
Moderate | 10 (7) | 18 (10) | |||||||
Many | 7 (5) | 31 (17) | |||||||
Number moles > =5 mm on right arm (MOLES_RARM) | 0 | 96 (69) | 88 (48) | 21.76 | <0.001 | Continuous variable | 1.15 (odds ratio) | 0.048 | |
1 | 23 (17) | 30 (16) | |||||||
2 | 11 (8) | 22 (12) | |||||||
3+ | 8 (6) | 41 (23) | |||||||
1st degree relative with large or unusual moles (FAMHXMOLES) | 56 (40) | 116 (64) | 17.44 | <0.001 | |||||
Personal history of NMSC (NMSC) | 5 (4) | 20 (11) | 6.00 | 0.014 | 5 (4) | 28 (15) | 10.41 | 0.001 | |
Occupation < =18 years (OCC < =18) | Indoor | 44 (34) | 43 (23) | 7.14 | 0.028 | ||||
Indoor and outdoor | 52 (40) | 67 (36) | |||||||
Outdoor | 35 (27) | 74 (40) | |||||||
Occupation >18 years (OCC > 18) | Indoor | 44 (34) | 43 (23) | 6.97 | 0.031 | ||||
Indoor and outdoor | 48 (37) | 61 (33) | |||||||
Outdoor | 39 (30) | 80 (43) | |||||||
Birthplace (BIRTHPLACE) | Outside NZ | 23 (18) | 15 (8) | 6.57 | 0.010 | ||||
In NZ | 108 (82) | 171 (92) | |||||||