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Table 2 Standard distributions for the low birth weight risk assessment scale items (n = 916)

From: A low-birth-weight risk assessment scale: development and validation through a questionnaire-based survey

Items

Response rate

n = 916%

Strongly Disagree

n (%)

Slightly Disagree

n (%)

Slightly Agree

n (%)

Strongly Agree

n (%)

Mean ± SD

(1) I had severe morning sickness

99.9

149 (16.3)

251 (27.4)

298 (32.5)

217 (23.7)

2.6 ± 1.0

(2) At one point, I believed that severe morning sickness must be hereditary

99.2

379 (41.4)

357 (39.0)

119 (13.0)

54 (5.9)

1.8 ± 0.9

(3) I experienced unpleasant symptoms such as headaches

100.0

263 (28.7)

291 (31.8)

249 (27.2)

113 (12.3)

2.2 ± 1.0

(4) During pregnancy checkups, I was given advice on my health statusa

99.8

294 (32.1)

272 (29.7)

243 (26.5)

105 (11.5)

2.2 ± 1.0

(5) I consumed alcohola

100.0

813 (90.7)

56 (6.1)

20 (2.2)

9 (1.0)

1.1 ± 0.5

(6) I thought about the effects of alcohol consumption on the fetus

99.3

203 (22.2)

45 (4.9)

118 (12.9)

544 (59.4)

3.1 ± 1.2

(7) I thought about the effects of smoking on the fetus

99.8

143 (15.6)

42 (4.6)

95 (10.4)

634 (69.2)

3.3 ± 1.1

(8) I was always concerned about weight gain

100.0

66 (7.2)

186 (20.3)

311 (34.0)

353 (38.5)

3.0 ± 0.9

(9) During pregnancy checkups, I was often given advice about my weight gain by medical staff

100.0

284 (31.0)

273 (29.8)

234 (25.5)

125 (13.6)

2.2 ± 1.0

(10) I did not like going to checkups because the medical staff frequently advised me about my weight gain during previous pregnancy checkups

99.6

504 (55.0)

243 (26.5)

103 (11.2)

62 (6.8)

1.7 ± 0.9

(11) I restricted my food intake as I was concerned about gaining weight

99.8

316 (34.5)

302 (33.0)

211 (23.0)

85 (9.3)

2.1 ± 1.0

(12) I restricted my salt intake as I was concerned about my blood pressure

99.9

443 (48.4)

269 (29.4)

147 (16.0)

56 (6.1)

1.8 ± 0.9

(13) I often experienced abdominal bloatinga

99.9

192 (21.0)

282 (30.8)

237 (25.9)

204 (22.3)

2.5 ± 1.1

(14) I was able to lead an orderly lifestyle

100.0

47 (5.1)

223 (24.3)

456 (49.8)

190 (20.7)

2.9 ± 0.8

(15) I tried to eat well-balanced meals

100.0

38 (4.1)

193 (21.1)

503 (54.9)

182 (19.9)

2.9 ± 0.8

(16) I exercised adequately

100.0

100 (10.9)

376 (41.0)

334 (36.5)

106 (11.6)

2.5 ± 0.8

(17) I slept well

100.0

65 (7.1)

278 (30.3)

370 (40.4)

203 (22.2)

2.8 ± 0.9

(18) When I woke from my sleep, I felt refreshed

100.0

78 (8.5)

343 (37.4)

378 (41.3)

117 (12.8)

2.6 ± 0.8

(19) I took holidays

100.0

58 (6.3)

231 (25.2)

371 (40.5)

256 (27.9)

2.9 ± 0.9

(20) I took adequate rest

99.9

51 (5.6)

219 (23.9)

401 (43.8)

244 (26.6)

2.9 ± 0.9

(21) At times I felt stresseda

99.8

84 (9.2)

251 (27.4)

393 (42.9)

186 (20.3)

2.8 ± 0.9

(22) I switched to shoes with low heels

99.7

29 (3.2)

28 (3.1)

101 (11.0)

755 (82.4)

3.7 ± 0.7

(23) I was careful not to fall

100.0

13 (1.4)

26 (2.8)

135 (14.7)

742 (81.0)

3.8 ± 0.6

(24) I refrained from driving a cara

99.7

640 (69.9)

137 (15.0)

62 (6.8)

74 (8.1)

1.5 ± 0.9

(25) There were some changes in my lifestyle compared to my pre-pregnancy daysa

99.7

110 (12.0)

285 (31.1)

283 (30.9)

235 (25.7)

2.7 ± 1.0

(26) My husband thoroughly supported me

99.9

71 (7.8)

220 (24.0)

309 (33.7)

315 (34.4)

3.0 ± 0.9

(27) My parents (including in-laws) thoroughly supported me

100.0

55 (6.0)

125 (13.6)

286 (31.2)

450 (49.1)

3.2 ± 0.9

(28) People other than my husband and parents (including in-laws) thoroughly supported me

99.9

199 (21.7)

247 (27.0)

290 (31.7)

179 (19.5)

2.5 ± 1.0

(29) I am satisfied with my husband’s support

99.8

112 (12.2)

216 (23.6)

293 (32.0)

293 (32.0)

2.8 ± 1.0

(30) I am satisfied with my parents’ (including in-laws) support

100.0

42 (4.6)

121 (13.2)

301 (32.9)

452 (49.3)

3.3 ± 0.9

(31) I am satisfied with the support that I received from others besides my husband and parents (including in-laws)

99.8

149 (16.3)

186 (20.3)

298 (32.5)

281 (30.7)

2.8 ± 1.1

(32) I took advantage of the Maternity Mark (a symbol for expectant mothers) and experienced the effectiveness of the symbol in public settingsa

99.5

443 (48.4)

278 (30.3)

132 (14.4)

58 (6.3)

1.8 ± 0.9

(33) I thought that the saying, “deliver them small and raise them big”, held true for me and my child(ren)a

99.7

191 (20.9)

294 (32.1)

248 (27.1)

180 (19.7)

2.5 ± 1.0

  1. Means were calculated by scoring responses as follows: “strongly disagree” = 1 point; “slightly disagree” = 2 points; “slightly agree” = 3 points, and “strongly agree” = 4 points
  2. aexcluded items; underlined numbers indicate items with floor or ceiling effects; SD standard deviation