Table 1 Analysis for the demographic and clinical factors of pulmonary nodules patients' sleep quality

Age

0.002^a

 < 50

428 (58.5%)

256 (59.8%)

172 (40.2%)

 ≥ 50

303 (41.5%)

147 (48.5%)

156 (51.5%)

Gender

0.001^a

Male

278 (38.0%)

174 (62.6%)

104 (37.4%)

Female

453 (62.0%)

229 (50.6%)

224 (49.4%)

Smoking status

0.040^a

Current

49 (6.7%)

35 (71.4%)

14 (28.6%)

Ever

116 (15.9%)

67 (57.8%)

49 (42.2%)

Never

566 (77.4%)

301 (53.2%)

265 (46.8%)

Family hx of malignancy

0.567^a

No

328 (44.9%)

177 (54.0%)

151 (46.0%)

Yes

403 (55.1%)

226 (56.1%)

177 (43.9%)

Subjective symptoms

0.062^a

No

479 (65.5%)

276 (57.6%)

203 (42.4%)

Yes

252 (34.5%)

127 (50.4%)

125 (49.6%)

Reasons of CT workup

0.044^a

Health check-up

218 (29.8%)

126 (57.8%)

92 (42.2%)

Follow-up exam for PN

371 (50.8%)

212 (57.1%)

159 (42.9%)

Physical discomfort

142 (19.4%)

65 (45.8%)

77 (54.2%)

Number of pulmonary nodules

0.004^a

Solitary

344 (47.1%)

209 (60.8%)

135 (39.2%)

Multiple

387 (52.9%)

194 (50.1%)

193 (49.9%)

Size of pulmonary nodule

0.566^b

Mean ± SD

7.99 ± 4.08

7.88 ± 3.93

8.13 ± 4.25

Time from the date of detection

0.036^a

0–6 months

410 (56.1%)

219 (53.4%)

191 (46.6%)

7–12 months

109 (14.9%)

51 (46.8%)

58 (53.2%)

12–24 months

116 (15.9%)

73 (62.9%)

43 (37.1%)

 > 24 months

96 (13.1%)

60 (62.5%)

36 (37.5%)

Initial impression of doctors

0.376^a

Benign

244 (33.4%)

138 (56.6%)

106 (43.4%)

Indeterminate

272 (37.2%)

141 (51.8%)

131 (48.2%)

Malignant

215 (29.4%)

124 (57.7%)

91 (42.3%)

HADS-Anxiety

 < 0.001^a

Not Anxiety (0–7)

430 (58.8%)

278 (64.7%)

152 (35.3%)

Anxiety (≥ 8)

301 (41.2%)

125 (41.5%)

176 (58.5%)

HADS-Depression

 < 0.001^a

Not Depression (0–7)

526(72.0%)

326 (62.0%)

200 (38.0%)

Depression (≥ 8)

205(28.0%)

77 (37.6%)

128 (62.4%)