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Table 1 Characteristics of influenza sentinel surveillance data collected using smartphones and pen-and-paper, 4 sites, Kenya, 2011-2012

From: A comparison of smartphones to paper-based questionnaires for routine influenza sentinel surveillance, Kenya, 2011–2012

Characteristic

Total (%~)

Smartphone data (%^)

Pen-and-paper data (%^)

Gender

   

 Male

975 (55)

501 (51)

474 (49)

 Female

783 (45)

379 (48)

404 (52)

Total #

1758

880

878

Age of ILI and SARI Cases

   

 Age 0-2mo

69 (4)

36 (52)

33 (48)

 Age 2mo-5 yrs

1564 (89)

775 (44)

789 (56)

 Age ≥5 yrs

127 (7)

69 (54)

58 (46)

Total

1760

880

880

Age of ILI Cases

   

 Age 0-2mo

10 (2)

4 (40)

6 (60)

 Age 2mo-5 yrs

371 (90)

63 (17)

308 (83)

 Age ≥5 yrs

32 (8)

5 (16)

27 (84)

Total meeting ILI case definition $

413

72 (17)

341 (83)

Age of SARI cases

   

 Age 0-2mo

59 (4)

32 (54)

27 (46)

 Age 2mo-5 yrs

1192 (89)

712 (60)

480 (40)

 Age ≥5 yrs

93 (7)

64 (69)

29 (31)

Total meeting SARI case definition $

1344

808 (60)

536 (40)

ILI cases by site $*

   

 KNH

103 (25)

43 (42)

60 (58)

 Coast PGH

76 (18)

7 (9)

69 (91)

 Nakuru PGH

147 (36)

17 (36)

130 (88)

 Nyeri PFH

87 (21)

5 (6)

82 (94)

Total meeting ILI case definition $

413

72

341

SARI cases by site *

   

 KNH

337 (25)

177 (53)

160 (47)

 Coast PGH

364 (27)

213 (59)

151 (41)

 Nakuru PGH

292 (22)

203 (70)

89 (30)

 Nyeri PFH

351 (26)

215 (61)

136 (39)

Total meeting SARI case definition $

1344

808

536

  1. *Significant differences (Fisher’s exact test).
  2. #Two cases missing gender.
  3. $Three cases missing case classification.
  4. ~Column %.
  5. ^Row %.