Table 1 Characteristics of the study population at baseline

Male

55

37.9

Female

90

62.1

Mean ± sd

Range

Median

Age (months)

61.4 ± 5.1

48 - 71

61.8

dmft-score

10.9 ± 4.4

2 - 20

9

Pufa-score*

2.3 ± 1.6

1 - 13

2

No. of extractions

2.2 ± 1.1

1 - 6

2

Monthly income (US$)**

99 ± 56

12 - 331

83

Time interval between baseline and first follow-up (months)

4.5 ± 0.8

2.9 – 6.4

4.5