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Table 1 Sample characteristics

From: Development and internal validation of a predictive risk model for anxiety after completion of treatment for early stage breast cancer

Candidate predictors

N (%)a

Socio-demographic

Age:

 19–51 years

250 (31.1)

 52–59 years

192 (23.9)

 60–65 years

150 (19.7)

 66–71 years

109 (13.7)

 72+ years

102 (12.7)

 Mean age

58.0 (SD 11.5) (range 27–88)

 Missing

13 (1.6)

Marital status

 Married or living with partner

590 (72.5)

 Widowed

92 (11.3)

 Divorced / Separated

84 (10.3)

 Single

48 (5.9)

 Missing

2 (2.3)

White British ethnicity

761 (93.6)

 Missing

3 (0.4)

Lives alone

140 (17.4)

 Missing

11 (1.4)

Housing tenure

 Owner-occupier

694 (85.3)

 Renting

104 (12.8)

 Other

16 (2.0)

 Missing

2 (0.3)

Have any caring responsibilities

227 (28.5)

 Missing

19 (2.3)

Highest level of qualification

 No formal qualification

286 (35.6)

 A level or equivalent

97 (12.1)

 GCSE/O Level

242 (30.1)

 Degree/higher degree

178 (5.1)

 Missing

13 (1.6)

Employment status

 Working

268 (33.2)

 On leave

130 (16.1)

 Retired

329 (40.7)

 Not working

81 (9.5)

 Missing

8 (0.3)

Use of car or van

709 (87.0)

 Missing

19 (2.3)

Clinical

Mean HADS-A (baseline)

6.5 (SD 4.2, median 6.0, IQR 6.0)

 Missing

14 (1.4)

Mean HADS-D (baseline)

3.5 (SD 3.2, median 3.0, IQR 4.0)

 Missing

4 (0.8)

Moderate or severe need: feeling unwell

64 (8)

 Missing

15 (1.8)

Moderate or severe need: lack of energy/fatigue

164 (20.3)

 Missing

8 (1.0)

Moderate or severe need: feeling pain

70 (8.7)

 Missing

14 (1.7)

Longstanding comorbid illness

317 (39.2)

 Missing

7 (0.9)

Cancer-related treatments

Chemotherapy

350 (64.6)

 Missing

274 (33.6)

Radiotherapy

766 (96.6)

 Missing

23 (2.8)

Hormone therapy

537 (69.3)

 Missing

41 (5.0)

Outcome

Mean HADS-A b

6.8 (SD 4.4)

 Missing

150 (18.4)

  1. a Candidate predictor counts and percentages are for valid responses, except for missing data which represents overall figure
  2. b Values for MI data. Complete case values were mean 6.7 (SD 4.3, median 6.0, IQR 7.0)