Table 1 Univariate analysis of illness uncertainty in parents of children with SWS (n = 105)

Parents

Relationship to patient

 Father

15 (14.3)

77.60 ± 16.68

T = 0.462

0.645

 Mother

90 (85.7)

79.31 ± 12.68

Age, years

 ≤ 29

28 (26.7)

80.04 ± 13.16

F = 0.271

0.763

 29–35

38 (36.2)

77.82 ± 11.53

 ≥ 35

39 (37.1)

79.59 ± 14.99

Residence

 City

68 (64.8)

77.81 ± 14.43

T = -1.45

0.150

 Town

37 (35.2)

81.38 ± 10.50

Marital status

 Married

98 (93.3)

79.45 ± 13.44

T = 1.108

0.270

 Divorced

7 (6.7)

73.71 ± 9.16

Education

 Junior high school and below

31 (29.5)

80.90 ± 10.33

F = 2.204

0.092

 High school or secondary school

22 (21.0)

82.23 ± 13.41

 College or Undergraduate

48 (45.7)

75.75 ± 13.40

 Master’s degree and above

4 (3.8)

87.25 ± 23.77

Can family income cover children’s medical expenses?

 Yes

68 (64.8)

77.57 ± 12.94

T = -1.578

0.118

 No

37 (35.2)

81.81 ± 13.52

Sleep quality

 Good

39

75.92 ± 13.66

F = 2.570

0.058

 General

62

80.65 ± 12.06

 Insomnia

2

73.00 ± 16.97

 Sleep disturbance

2

97.50 ± 26.16

Anxiety

 GAD ≥ 10

30 (28.6)

86.53 ± 11.21

T = 3.896

0.000

 GAD < 10

75 (71.4)

76.08 ± 12.86

Depression

 PHQ ≥ 3

22 (21.0)

83.36 ± 11.96

T = 1.728

0.087

 PHQ < 3

83 (79.0)

77.93 ± 13.40

Patient

Sex

 Male

58 (55.2)

78.57 ± 14.68

T = -0.426

0.671

 Female

47 (44.8)

79.68 ± 11.34

Only child

 Yes

56 (53.3)

78.34 ± 12.44

T = -0.600

0.550

 No

49 (46.7)

79.90 ± 14.19

Child's birth order

 First child

66 (62.9)

77.79 ± 12.36

F = 0.983

0.378

 Second child

33 (31.4)

80.73 ± 14.83

 Third child

6 (5.7)

84.00 ± 13.52

Affected eye

 Left eye

46 (43.8)

79.09 ± 14.14

F = 0.626

0.537

 Right eye

46 (43.8)

78.02 ± 12.30

 Both eyes

13 (12.4)

82.69 ± 13.56