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Table 4 Messages according to subject and level of evidence.

From: Are the health messages in schoolbooks based on scientific evidence? A descriptive study

SUBJECT MATTER Messages with a level of
evidence
Messages
based evidence
without
assigned level
Messages with
no known
evidence
  HIGH MEDIUM LOW   
  n (%) 1
Pregnancy Newborns 7 (35) 4 (20) 4 (20) 5 (25) -
Balanced Diet Malnutrition 11 (4.2) - 4 (1.5) 204 (77.3) 45 (17.1)
Obesity - 1 (4.2) 2 (8.3) 15 (62.5) 6 (25)
Physical Exercise - - 10 (18.5) 34 (63) 10 (18.5)
Respiratory Illnesses - - 1 (5.3) 7 (36.8) 11 (57.9)
Food Hygiene - - 1 (1.5) 51 (75) 16 (23.5)
Vaccines Medical Treatment 6 (25) 1 (4.2) - 10 (41.7) 7* (29.2)
Traffic Accidents - - 11 (36.7) 17 (56.7) 2 (6.7)
Accidents in the Home 2 (16.7) - 1 (8.3) 4 (33.3) 5 (41.7)
Protection against environmental agents 1 (1) 1 (1) 7 (7.3) 36 (37.5) 51 (53.1)
Alcohol - - 2 (28.7) 3 (42.9) 2 (28.6)
Drugs - - 3 (27.3) 7 (63.64) 1 (9.1)
Smoking 1 (3.7) - 3 (11.1) 19 (70.4) 4 (14.8)
Sexual Behaviour AIDS - - - 14 (73.7) 4 (26.3)
Oral Health 12 (37.5) 3 (9.4) 0 4 (12.5) 13 (40.6)
Personal Hygiene 6 (8.8) 2 (2.9) 15 (22) 34 (50) 11 (16.2)
Rest Ergonomics - - 1 (1.5) 49 (71) 19* (27.5)
  46 (5.5) 2 12 (1.4) 2 65 (7.7) 2 513 (60.8) 2 208 (24.6) 2
  1. 1 Frequency and percentage of messages according to subject matter and level of evidence.
  2. 2 Frequency and percentage of all messages according to level of evidence.
  3. * Messages contravenes known evidence
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