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Table 2 Descriptive analysis of past history with LD, exposure, knowledge and perceptions per region

From: From Lyme disease emergence to endemicity: a cross sectional comparative study of risk perceptions in different populations

 

Montérégie

Neuchâtel

n

% (CI)1

n

% (CI)1

Total

401

 

413

 

Past history with LD

    

  Know someone with LD

14

3 (2–6)

168

41 (36–46)*

  Have ever had LD

3

1 (0–2)

24

6 (4–9)*

  Have a dog

83

21 (17–25)

74

18 (14–22)

  Never heard about LD

185

46 (41–51)

89

22 (18–26)*

  Know LD for one year or less

42

10 (8–14)

48

12 (9–15)

  Know LD for more than one year

174

43 (38–48)

276

67 (62–71)*

Exposure frequency through outdoor activities

    

  Less than 2 times per yr

177

44 (39–49)

47

11 (8–15)*

  2-10 times per yr

155

39 (34–44)

155

38 (33–42)

  11-25 times per yr

41

10 (7–14)

97

23 (19–28)*

  More than 25 times per yr

28

7 (5–10)

114

28 (23–32)*

Knowledge on LD

    

  Transmission mode (Know that LD is transmitted by a tick bite)

112

28 (24–33)

270

65 (61–70)*

  Early symptom (Know that skin erythema is an early sign of LD)

115

29 (24–33)

224

54 (49–59)*

  Treatment (Know that LD can be treated with systemic antibiotics)

71

18 (14–22)

182

44 (39–49)*

  Risk zone (Know where it is possible to contract LD in their region)

72

18 (14–22)

228

55 (50–60)*

Global level of knowledge

    

  High (% with global score of 3 or 4)

60

15 (12–19)

209

51 (46–56)*

  Medium (% with global score of 1 or 2)

117

29 (25–34)

105

25 (21–30)

  Null (% with global score of 0)

224

56 (51–61)

99

24 (20–28)*

Specific items related to TBE (Neuchâtel only)

    

  Never heard about TBE

-

-

75

18 (15–22)

  Know TBE for one year or less

-

-

36

9 (6–12)

  Know TBE for more than one year

-

-

302

73 (69–77)

  Know well the differences between TBE and LD (self-declared % of scores 4–5 on an agreement scale)

-

-

95

23 (19–27)

Risk perceptions (% with score 4–5)

    

  High-perceived individual susceptibility

95

24 (20–28)

223

54 (49–59)*

  High-perceived regional susceptibility

163

41 (36–46)

234

57 (52–61)*

  High-perceived severity of LD

304

76 (71–80)

328

79 (75–83)

  High-feeling of worry

99

25 (21–29)

149

36 (31–41)*

  High-perceived mastery

231

58 (53–62)

301

73 (68–77)*

  High-perceived uncertainty

177

44 (39–49)

89

22 (18–26)*

  High-perceived confidence

89

22 (18–27)

176

43 (38–48)*

Global risk perception score (% with score ≥ 4)

77

19 (15–23)

141

34 (30–39)*

  1. 195% confidence intervals (Exact binomial Clopper-Pearson Method).
  2. *p < 0.0001 (Pearson Chi-square).