Table 1 Baseline participant data

Age, years, mean (SD)

35.1 (10.1)

36.8 (11.9)

0.373^a

Female, n (%)

38 (55.1)

44 (63.8)

0.386

Education, years, mean (SD)

15.7 (3.6)

15.1 (3.2)

0.331^a

Marital status, n (%)

single

30 (43.5)

19 (27.5)

0.145

married

36 (52.2)

46 (66.7)

divorced

3 (4.3)

4 (5.8)

Ethnicity(Han), n (%)

63 (91.3)

68 (98.6)

0.115

Location (city), n (%)

66 (95.7)

66 (95.7)

1.000

Religion (none-religious), n (%)

57 (82.6)

59 (85.5)

0.817

Age of onset, years, mean (SD)

29.5 (10.1)

30.6 (11.5)

0.534^a

Course of GAD, months, median (IQR)

36.0 (71.0)

42.0 (77.0)

0.501^b

HAMA, median (IQR)

22.0 (11.0)

21.0 (10.0)

0.377^b

HAMD, mean (SD)

11.5 (5.1)

11.2 (4.7)

0.653^a

CGI-S, median (IQR)

4.0 (1.0)

4.0 (3.0)

0.682^b

STAI-state, median (IQR)

52.0 (28.0)

49.0 (24.0)

0.295^b

STAI-trait, mean (SD)

55.7 (12.5)

53.7 (10.7)

0.326^a

SF-12, mean (SD)

21.2 (6.3)

23.1 (6.0)

0.071^a

FFMQ, mean (SD)

111.3 (14.8)

112.0 (17.0)

0.782^a

Use of antidepressants, n (%)

SSRI

50 (72.5)

53 (76.5)

0.696

SNRI

19 (27.5)

16 (23.2)

Use of benzodiazepines, n (%)

24 (34.8)

24 (34.8)

1.000

Use of atypical antipsychotics, n (%)

11 (15.9)

7 (10.1)

0.449