Table 2 Plasma mineral concentrations and adjusted differences compared at baseline and follow-up between control and intervention group of children in the Mazira Project.

From: Plasma mineral status after a six-month intervention providing one egg per day to young Malawian children: a randomized controlled trial

 

Baseline

6-month

Minimally adjusted1 models

Fully adjusted2 models

Control (n = 200)

Intervention (n = 187)

Control (n = 200)

Intervention (n = 187)

Mean (SD)

Mean (SD)

Mean (SD)

Mean (SD)

MD (95% CI)

MD (95% CI)

Plasma magnesium (mg/dL)

1.78 (0.31)

1.79 (0.32)

1.83 (0.32)

1.82 (0.32)

− 0.01 (− 0.08, 0.05)

− 0.01 (− 0.08, 0.05)

Plasma copper (µg/dL)

155.96 (43.20)

175.17 (99.02)

156.09 (57.05)

161.06 (60.80)

3.88 (− 7.95, 15.72)

3.88 (− 7.95, 15.72)

Plasma iron (µg/dL)

51.27 (45.82)

51.00 (49.20)

46.35 (37.15)

37.26 (29.46)

− 9.29 (− 15.95, − 2.64)

− 9.07 (− 15.63, − 2.51)

Plasma selenium (µg/L)

47.41 (28.48)

50.59 (28.58)

42.64 (25.16)

42.94 (21.65)

− 1.03 (− 5.13, 3.08)

− 0.35 (− 4.48, 3.79)

Plasma zinc (µg/dL)

73.16 (74.28)

75.21 (88.23)

74.16 (67.48)

74.64 (75.76)

0.60 (− 13.57, 14.78)

− 0.60 (− 13.57, 14.78)

  1. 1Minimally adjusted for baseline concentrations, time of sample collection, and time of last meal.
  2. 2Fully adjusted for age, sex, maternal education, household index, and number of children in the household under five years of age when indicated. CI = confidence interval; MD = mean difference; SD = standard deviation.
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