Table 1: Characteristics of residential studies.

DurationTreatmentDose (IU)RegimenNumberFemale (%)Age
mean (SD)
Vitamin D (nmol/L)# mean (SD) or
median (IQR)
Ca+ intake (mg/day)
mean (SD) or
median (IQR)

Chapuy 3
years
All327010084 (6)NA513
D3800 dailyCaD163484 (6)40 (28)511 (172)
PP163684 (6)33 (23)514 (158)
Decalyos II2 yearsAll58310085 (7)557.7
D3800 dailyCaD fixed
CaD split
39385 (7)
85 (7)
21 (13)
23 (17)
565 (230)
551 (238)
PP19086 (8)23 (17)556 (246)
Flicker2 yearsAll625958325–90NA
D210000 weekly CaD31284 (8)NANA
PCaP31383 (9)NANA
Lips-combinedMax. 3.5 yearsAll25787480 (6)NA
D3400 dailyD129180 (6)27
19–36
NA
PP128780 (6)26
19–37
NA
Ooms2 yearsAll348100
D3400 dailyD17780 (6)68
48–90
876
638–1101
PP17181 (6)63
48–93
859
644–1099
Meyer2 yearsAll11447585 (7)
D3440 dailyD56984 (7)47 (26)456 (196)
PP57585 (7)51 (33)446 (196)
Heikinheimo residentialRange 2–5 yearsAll32082NANANA
D2150000–300000 yearly*D14279NANA
PP17879NANA
Lyons3 yearsAll34407684 (8)NANA
D2100000
4 monthly
D17257684 (8)NANA
PP17157784 (8)NANA

IM treatment.
Changed to 1000 IU daily during the course of the study.
#Divide by 2.5 for ng/mL. IU: international units; D2: ergocalciferol; D3: cholecalciferol; D: vitamin D; CaD: calcium and vitamin D; Ca: calcium; P: placebo or control; NA: not available.