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Table 1 Baseline demographic and clinical characteristics of 1052 Chinese men with lung cancer, grouped by level of alcohol consumption and consumption of preserved or fried food

From: Prognostic value of alcohol consumption and some other dietary habits for survival in a cohort of Chinese men with lung cancer

Characteristica

Alcoholb

Preserved or fried foodc

Never (n = 391)

Occasional (n = 289)

Frequent (n = 372)

Occasional (n = 768)

Frequent (n = 284)

Age group (years)

<50

33 (8.4)

28 (9.7)

18 (4.8)

65 (8.5)

20 (7.0)

50–59

62 (15.9)

58 (20.1)

62 (16.7)

142 (18.5)

39 (13.7)

60–69

144 (36.8)

97 (33.6)

127 (34.2)

272 (35.5)

92 (32.4)

≥70

152 (38.9)

106 (36.7)

164 (44.2)^

288 (37.5)

133 (46.8)^

District of residence

New Territories

65 (17.3)

49 (17.3)

50 (13.9)

126 (16.9)

38 (13.9)

Kwai Tsing

30 (8.0)

30 (10.6)

34 (9.5)

67 (9.0)

27 (9.9)

Wong Tai Sin

68 (18.1)

58 (20.5)

67 (18.7)

147 (19.7)

46 (16.8)

Kowloon City

41 (10.9)

50 (17.7)

36 (10.0)

95 (12.8)

32 (11.7)

Yau Tsim Moog

27 (7.2)

20 (7.1)

40 (11.1)

65 (8.7)

22 (8.1)

Sham Shui Po

59 (15.7)

26 (9.2)

58 (16.2)

98 (13.2)

45 (16.5)

Others

86 (22.9)

50 (17.7)

74 (20.6)^

147 (19.7)

63 (23.1)

Education level

Primary school

102 (26.2)

50 (17.3)

110 (29.6)

179 (23.4)

84 (29.6)

Middle school

162 (41.5)

134 (46.4)

168 (45.3)

326 (42.6)

136 (47.9)

College or above

126 (32.3)

105 (36.3)

93 (25.1)^

261 (34.1)

64 (22.5)^

Marital status

Married

62 (15.9)

44 (15.2)

68 (18.3)

130 (16.9)

45 (15.8)

Others

329 (84.1)

245 (84.8)

304 (81.7)

638 (83.1)

239 (84.2)

Family income (Hong Kong dollars/month)

<4000

228 (58.6)

161 (55.7)

252 (67.7)

457 (59.7)

184 (64.8)

≥4000

100 (25.7)

88 (30.4)

79 (21.2)

198 (25.8)

69 (24.3)

Unknown

61 (15.7)

40 (13.8)

41 (11.1)^

111 (14.5)

31 (10.9)

Smoking status d

Never

60 (15.4)

34 (11.8)

21 (5.6)

103 (13.4)

13 (4.6)

Former

99 (25.4)

90 (31.1)

109 (29.3)

208 (27.1)

87 (30.6)

Current

231 (59.2)

165 (57.1)

242 (65.1)^

456 (59.5)

184 (64.8)^

Cancer history in first-degree relatives

No

262 (67.2)

189 (65.4)

232 (62.5)

476 (62.1)

206 (72.5)

Yes

68 (17.4)

65 (22.5)

80 (21.6)

161 (21.1)

48 (16.9)

Not sure

60 (15.4)

35 (12.1)

59 (15.9)

129 (16.8)

30 (10.6)^

Charlson comorbidity index

0–2

384 (98.2)

287 (99.3)

364 (97.8)

753 (98.0)

282 (99.3)

3–6

7 (1.8)

2 (0.7)

8 (2.2)

15 (2.0)

2 (0.7)

Stage at diagnosis

I

52 (13.3)

30 (10.4)

36 (9.7)

90 (11.7)

28 (9.9)

II

11 (2.8)

17 (5.9)

20 (5.4)

34 (4.4)

16 (5.6)

III

105 (26.9)

92 (31.8)

129 (34.7)

243 (31.6)

80 (28.2)

IV

118 (30.2)

79 (27.3)

94 (25.3)

219 (28.5)

72 (25.3)

Unknown

105 (26.9)

71 (24.6)

93 (25.0)

182 (23.7)

88 (31.0)

Treatment

Surgery

26 (6.6)

20 (6.9)

37 (9.9)

57 (7.4)

20 (7.0)

Chemotherapy

52 (13.3)

40 (13.8)

38 (10.2)

94 (12.2)

34 (12.0)

Radiotherapy

79 (20.2)

49 (17.0)

76 (20.4)

140 (18.2)

62 (21.8)

Others

8 (2.0)

7 (2.4)

14 (3.8)

18 (2.3)

11 (3.9)

No treatment

122 (31.2)

95 (32.9)

106 (28.5)

233 (30.3)

88 (31.0)

Combination

104 (26.6)

78 (27.0)

101 (27.2)

226 (29.4)

69 (24.3)

BMI e (mean ± SD)

21.2 ± 3.3

21.3 ± 3.1

21.1 ± 3.3

21.4 ± 3.2

20.7 ± 3.2*

  1. BMI body mass index, SD standard deviation
  2. ^ P < 0.05 in the Chi Square test or Fisher’s exact test
  3. * P < 0.05 in t test
  4. a Number of cases with missing data: 34 for district of residence; 2 for education level, family income, and cancer in first-degree relatives; 1 for age group and smoking status
  5. b Occasional consumer: 1–3 days/week; frequent consumer: ≥4 days/week
  6. c Occasional consumer: <1 serving/day; frequent consumer: ≥1 serving/day
  7. d Never smoker: smoking <20 packs of cigarettes in a lifetime or ≤1 cigarette per day for 1 year; former smoker: quit smoking ≥2 years ago; current smoker: still smoking or quit <2 years ago
  8. e Except this one, other values are presented as number of cases followed by percentage in parentheses