Journal of Dental Hygiene Science : eISSN 2233-7679

Table 3

General Characteristics of the Included Studies

Characteristic Category Value
Year ≤2010 3 (14.3)
2011∼2015 7 (33.3)
2016∼2020 11 (52.4)
Sample size ≤49 7 (33.3)
50∼99 11 (52.4)
100∼149 3 (14.3)
Sex Male & Female 17 (81.0)
Female 2 (9.5)
NR 2 (9.5)
Study design NCGPPD 16 (76.2)
OPPD 4 (19.0)
RCGPPD 1 (4.8)

Values are presented as number (%).

NR: not report, NCGPPD: non-equivalent control group pretest- osttest design, OPPD: one group pretest-posttest design, RCGPPD: randomized control group pretest-posttest design.

J Dent Hyg Sci 2021;21:199-212 https://doi.org/10.17135/jdhs.2021.21.4.199
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