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Table 2 Demographics

From: Validation of the psychosocial consequences of screening in lung cancer questionnaire in the international lung screen trial Australian cohort

 

CT Result Lung Cancer Risk Category

  

1.Normal findings

2. Low malignancy risk

3.Moderate malignancy risk

4. High malignancy risk

5. Suspicious for lung cancer

Total

p-value*

Number of participants, n (%)

893 (79)

134 (12)

69 (6)

16 (1)

17 (2)

1129

 

Age (years), Median [IQR]

63, [58, 68]

65, [60,70]

67, [61, 72]

67, [62, 73]

68, [61, 72]

63, [59, 69]

0.0004

Sex, n (%)

      

0.0367

Female

153 (17)

36 (27)

24 (35)

4 (25)

6 (35)

223 (20)

 

Male

740 (83)

98 (73)

45 (65)

12 (75)

11 (65)

906 (80)

 

Smoking Status, n (%)

      

0.9439

Current

449 (50)

68 (51)

38 (55)

9 (56)

9 (53)

573 (51)

 

Former

441 (49)

66 (49)

31 (45)

7 (44)

8 (47)

553 (49)

 

Missing

     

3 (< 1)

 

Smoking (pack-years), Median [IQR]

44, [35, 56]

47, [35, 57]

49, [38, 63]

38, [30, 47]

45, [41, 60]

44, [35, 58]

0.0512

Highest Attained Education, n (%)

      

0.8385

8th grade or less

45 (5)

7 (5)

4 (6)

1 (6)

1 (6)

8 (5)

 

9th to 11th grade

260 (29)

33 (25)

24 (35)

4 (25)

5 (29)

5326 (29)

 

High school graduate

158 (18)

21 (16)

9 (13)

1 (6)

2 (12)

191 (17)

 

Technical or Vocational Certificate

138 (15)

30 (22)

8 (12)

3 (19)

4 (24)

183 (16)

 

Incomplete college/ university

101 (11)

11 (8)

10 (14)

3 (19)

3 (18)

128 (11)

 

University graduate

116(13)

16 (12)

10 (14)

2 (13)

2 (12)

146 (13)

 

Postgraduate

71(8)

16 (12)

4 (6)

2 (13)

0 (0)

93 (8)

 

Missing

     

4 (< 1)

 

Work, n (%)

      

0.2578

Working

335 (38)

33 (25)

14 (20)

4 (25)

4 (24)

390 (35)

 

Retired

365 (41)

62 (46)

38 (55)

8 (50)

8 (47)

481 (43)

 

Disabled

37 (4)

5 (4)

3 (4)

1 (6)

1 (6)

47 (4)

 

Other

43 (5)

6 (4)

4 (6)

0 (0)

1 (6)

54 (5)

 

Unemployed

26 (3)

9 (7)

2 (3)

0 (0)

0 (0)

37 (3)

 

Extended Leave

4 (< 1)

0 (0)

0 (0)

0 (0)

0 (0)

4 (< 1)

 

Missing

     

116 (10)

 

PLCOm2012score, Median [IQR]

2.82, [1.84,4.58]

3.30, [2.01, 5.97]

4.71, [2.85, 6.87]

3.21, [2.46, 4.71]

3.38, [2.59, 8.47]

2.99, [1.91, 4,95]

< 0.0001

  1. * p-value from a (non-parametric) Kruskal-Wallis Monte Carlo test (9999 resamplings) for continuous variables, or from a Pearson chi-squared Monte Carlo test (9999 resamplings) for categorical variables
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