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. 2017 Nov 22;17:116. doi: 10.1186/s12905-017-0475-y

Table 5.

Source of Spending, Purchase, Duration of Use and Sources of Information dietary supplementations

Survey Questions N (%)
What is the source of spending on food supplements?
 On your account 339 (76.7)
 Free 61 (13.8)
 Insurance 42 (9.5)
The purchase of nutritional supplements by?
 Prescription 329 (79.3)
 Pharmacies 63 (15.2)
 Internet 22 (5.3)
 The private 1 (0.2)
What is the duration of your use of nutritional supplements?
 2 weeks 104 (23.9)
 From time to time 97 (22.2)
 A month 91 (20.9)
 Daily 62 (14.2)
 Weekly 29 (6.7)
 3 Months 25 (5.7)
 6 Months 15 (3.4)
 One year 13 (3.0)
Information Sources on Supplements
 Social Media 203 (38.0)
 Internet 85 (15.9)
 Newspapers 58 (10.9)
 Family 44 (8.2)
 More than one source 40 (7.5)
 Physician 39 (7.3)
 Pharmacies 28 (5.2)
 Friends 26 (4.9)
 The books 11 (2.1)

Note: Data presented as frequencies (%)