structure(list(description = NULL, treatments = structure(list(
    id = structure(1:2, .Label = c("psych", "usual"), class = "factor"), 
    description = c("", "")), row.names = c("psych", "usual"), class = "data.frame"), 
    data.ab = structure(list(study = structure(c(1L, 1L, 2L, 
    2L, 3L, 3L, 4L, 4L, 5L, 5L, 6L, 6L, 7L, 7L, 8L, 8L, 9L, 9L, 
    10L, 10L, 11L, 11L, 12L, 12L, 13L, 13L, 14L, 14L), .Label = c("1", 
    "12", "13", "20", "21", "22", "24", "25", "33", "40", "49", 
    "51", "55", "56"), class = "factor"), treatment = structure(c(1L, 
    2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 
    1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L), .Label = c("psych", 
    "usual"), class = "factor"), mean = c(-0.82, -0.09, -0.279, 
    -0.206, -0.2, -0.5, -0.7, 0, -0.94, -0.117, -0.6, -0.3, 0.3, 
    0.1, -0.96, -0.8, -0.43, -0.05, -0.22, 0, -0.454, -0.25, 
    -0.43, -0.12, -0.27, 0.16, -0.54, -0.18), std.dev = c(0.94, 
    1.202, 0.799, 0.756, 0.854400375, 0.953939201, 0.888819442, 
    1, 0.746, 0.249, 0.99, 1.546, 1.374772708, 1.113552873, 1.217374223, 
    0.862554346, 0.948208838, 1.127430707, 0.855394646, 0.921466223, 
    0.891, 0.754, 1.070140178, 0.939521155, 0.998967467, 0.947071275, 
    1.067, 1.047), sampleSize = c(243, 244, 216, 217, 44, 36, 
    48, 47, 23, 20, 99, 102, 43, 43, 20, 15, 45, 46, 130, 119, 
    118, 109, 84, 84, 107, 112, 331, 348)), row.names = c(NA, 
    28L), class = "data.frame")), class = "mtc.network")