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Table 1 Demographic and clinical data of study population

From: Children with respiratory tract infections in Swedish primary care; prevalence of antibiotic resistance in common respiratory tract pathogens and relation to antibiotic consumption

  Number (%)
Variable All children with Npha culture (n = 340) Children with growth of either Pncb and/ or Hic (n = 178) Children with growth of either PNSPd and/ or beta-lactamase producing Hie and/ or BLNARf (n = 40) Questionnaire only (n = 82)
Female 162 (48) 92 (52) 14 (35) 41 (50)
Age (0-5 years) 275 (81) 160 (90) 38 (95) 65 (79)
Hospital care last 6 months 11 (3) 7 (4) 2 (5) 1 (1)
Abroad last 3 months 81 (24) 43 (24) 10 (25) 21 (26)
Parents smoking 43 (13) 16 (9) 2 (5) 10 (12)
Day care:
 Attending day care centre 224 (67) 137 (77) 33 (83) 56 (68)
 Attending school 60 (18) 7 (4) 1 (3) 16 (20)
 Home 52 (15) 24 (14) 6 (15) 9 (11)
Respiratory tract disease (asthma/ allergy) 34 (10) 20 (11) 1 (3) 9 (11)
Pneumococcal vaccination:
 Don’t know 94 (28) 40 (22) 9 (23) 30 (37)
 Yes 218 (64) 128 (72) 28 (70) 46 (56)
 No 28 (8) 10 (6) 3 (8) 6 (7)
Number of antibiotic treatments during last 12 months:
  > 3 22 (6) 11 (6) 4 (10) 6 (7)
 1-2 98 (29) 46 (26) 12 (30) 19 (23)
 None 182 (54) 105 (59) 21 (53) 57 (70)
Antibiotic treatment within the last 4 weeks 32 (9) 15 (8) 7 (18) 5 (6)
  1. Missing data were 20% regarding “Number of antibiotic treatments during last 12 months”, similar in all groups. In the other variables missing data were <10% in all groups
  2. aNasopharyngeal culture
  3. b Streptococcus pneumoniae
  4. c Haemophilus influenzae
  5. dpenicillin non-susceptible Streptocuccus pneumoniae
  6. ebeta-lactamase producing Haemophilus influenzae
  7. fbeta-lactamase negative ampicillin resistant Haemophilus influenzae