Table 1 Characteristics of participants

From: Symptoms and other factors associated with time to diagnosis and stage of lung cancer: a prospective cohort study

Characteristic

Primary lung cancer (LC) ( n =153) a

No cancer (NC) ( n =753)

Other lung cancer b (OC) ( n =57)

Total cohort ( n =963)

Gender

Male

92 (60.1%)

393 (52.2%)

37 (64.9%)

522(54.2%)

Female

61 (39.9%)

360 (47.8%)

20 (35.1%)

441(45.8%)

Age*

Median, range

70 (43–89)

65 (40–95)

71 (42–88)

66 (40–95)

Employment status*

Employed

31 (20.3%)

230 (30.5%)

13 (22.8%)

274 (28.5%)

Unemployed

1 (0.7%)

17 (2.3%)

0 (0.0%)

18 (1.9%)

Retired

109 (71.2%)

424 (56.3%)

37 (64.9%)

570 (59.2%)

Sick/disabled

5 (3.2%)

31 (4.1%)

2 (3.5%)

38 (4.00%)

Other (including missing)

7 (4.6%)

51 (6.8%)

5 (8.8%)

63 (6.6%)

Highest education level*

Degree/diploma/equivalent

38 (24.8%)

250 (33.2%)

20 (35.1%)

308 (32.0%)

A level/GCSE/O level

44 (28.8%)

264 (35.1%)

18 (31.6%)

326 (33.9%)

Other/none

71 (46.4%)

239 (31.7%)

19 (33.3%)

329 (34.2%)

Ethnicity

White

151 (98.7%)

725 (96.3%)

55 (96.5%)

931 (96.7%)

Smoking status* c

Current

36 (23.6%)

75 (10.0%)

4 (7.0%)

115 (11.9%)

Ex-smoker

105 (68.6%)

377 (50.1%)

35 (61.4%)

517 (53.7%)

Never

11 (7.2%)

283 (37.6%)

17 (29.8%)

311 (32.3%)

Lives alone* d

Yes

48 (31.4%)

158 (21.0%)

12 (21.1%)

218 (22.6%)

No

104 (68.0%)

583 (77.4%)

44 (77.2%)

731 (75.9%)

Deprivation (IMD—quintiles)

1st (least deprived)

40 (26.1%)

258 (34.3%)

19 (33.3%)

317 (32.9%)

2nd

40 (26.1%)

157 (20.9%)

19 (33.3%)

216 (22.4%)

3rd

26 (17.0%)

124 (16.5%)

10 (15.5%)

160 (16.6%)

4th

28 (18.3%)

96 (12.8%)

2 (3.5%)

126 (13.1%)

5th (most deprived)

19 (12.4%)

117 (15.5%)

7 (12.3%)

143 (14.9%)

  1. Abbreviation: IMD=Index of Multiple Deprivation.
  2. Values are n (%) unless otherwise stated. *P-value <0.05 for LC vs NC.
  3. aEarly-stage disease, n=48 (31.8%): stage IA, n=15 (9.8%); stage IB, n=14 (9.2%); stage IIA, n=11 (7.2%); stage IIB, n=8 (5.2%). Late-stage disease, n=103 (68.2%): stage IIIA, n=21 (13.7%); stage IIIB, n=19 (12.4%); stage IV, n=63 (41.2%).
  4. bMetastases from extra-thoracic primaries, n=21; malignant mesothelioma, n=19; carcinoid, n=7; lymphoma, n=7; other, n=3.
  5. cSmoking status—missing: primary lung cancer, n=1 (0.7%); no cancer, n=18 (2.4%); other lung cancer, n=1 (1.8%); total, n=20 (2.1%).
  6. dLives alone—missing: primary lung cancer, n=1 (0.7%); no cancer, n=12 (1.6%); other lung cancer, n=1 (1.8%); total n=14 (1.5%).