
Journal of International Reproductive Health/Family Planning ›› 2024, Vol. 43 ›› Issue (1): 6-10.doi: 10.12280/gjszjk.20230452
• Original Article • Previous Articles Next Articles
LUO Li-yan, JIN Ye, SHI Li(
), HAN Mei, YU Ran, SONG Dong-hong
Received:2023-11-03
Published:2024-01-15
Online:2024-01-31
Contact:
SHI Li, E-mail: xyyma2010@sina.cn
LUO Li-yan, JIN Ye, SHI Li, HAN Mei, YU Ran, SONG Dong-hong. Stigma and Influencing Factors in Infertile Patients with Polycystic Ovary Syndrome[J]. Journal of International Reproductive Health/Family Planning, 2024, 43(1): 6-10.
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| 量表 | 项目 | 条目数 | 维度评分(分) | 各条目平均分(分) |
|---|---|---|---|---|
| ISS | 社会退缩 | 5 | 15.73±6.34 | 3.15±1.27 |
| 自我贬损 | 7 | 17.92±8.29 | 2.56±1.18 | |
| 周围人群羞辱 | 9 | 19.30±10.04 | 2.15±1.12 | |
| 家庭成员羞辱 | 6 | 12.63±6.31 | 2.11±1.05 | |
| FPI | 父母角色需求 | 10 | 40.29±9.16 | 4.03±0.92 |
| 无子女压力 | 8 | 29.72±7.21 | 3.72±0.90 | |
| 社会压力 | 10 | 29.00±8.52 | 2.90±0.85 | |
| 性压力 | 8 | 21.93±7.68 | 2.74±0.96 | |
| 夫妻关系 | 10 | 27.38±7.84 | 2.74±0.78 |
| 量表 | 项目 | 条目数 | 维度评分(分) | 各条目平均分(分) |
|---|---|---|---|---|
| ISS | 社会退缩 | 5 | 15.73±6.34 | 3.15±1.27 |
| 自我贬损 | 7 | 17.92±8.29 | 2.56±1.18 | |
| 周围人群羞辱 | 9 | 19.30±10.04 | 2.15±1.12 | |
| 家庭成员羞辱 | 6 | 12.63±6.31 | 2.11±1.05 | |
| FPI | 父母角色需求 | 10 | 40.29±9.16 | 4.03±0.92 |
| 无子女压力 | 8 | 29.72±7.21 | 3.72±0.90 | |
| 社会压力 | 10 | 29.00±8.52 | 2.90±0.85 | |
| 性压力 | 8 | 21.93±7.68 | 2.74±0.96 | |
| 夫妻关系 | 10 | 27.38±7.84 | 2.74±0.78 |
| 指标 | n | ISS总分(分) | t或F | P | 指标 | n | ISS总分(分) | t或F | P |
|---|---|---|---|---|---|---|---|---|---|
| 年龄(岁) | 治疗时间(个月) | ||||||||
| 20~27 | 53 | 63.73±22.29 | 0.555 | 0.575 | <6 | 128 | 58.34±22.32 | 3.138 | 0.045 |
| 28~35 | 177 | 60.49±22.77 | 6~12 | 15 | 58.20±17.68 | ||||
| 36~45 | 21 | 64.24±29.55 | >12 | 108 | 65.69±24.49 | ||||
| 文化程度 | BMI(kg/m2) | ||||||||
| 高中及以下 | 54 | 66.46±21.54 | 3.174 | 0.044 | <18.5 | 10 | 52.40±20.30 | 7.247 | 0.001 |
| 中专、大专 | 85 | 63.47±26.02 | 18.5~23.9 | 85 | 54.78±22.39 | ||||
| 本科及以上 | 112 | 57.59±21.29 | ≥24.0 | 156 | 65.73±22.99 | ||||
| 职业状态 | 腰臀比 | ||||||||
| 在职 | 208 | 60.29±23.58 | -1.809 | 0.072 | <0.85 | 191 | 59.84±24.05 | -2.105 | 0.045 |
| 无业 | 43 | 67.30±20.91 | ≥0.85 | 60 | 66.73±19.77 | ||||
| 居住地 | 痤疮 | ||||||||
| 农村 | 83 | 66.35±22.55 | 2.348 | 0.020 | 是 | 38 | 64.84±18.17 | -0.965 | 0.336 |
| 城市 | 168 | 59.09±23.28 | 否 | 213 | 60.89±24.03 | ||||
| 家庭月收入(元) | 多毛 | ||||||||
| <5 000 | 60 | 67.12±23.73 | 3.268 | 0.040 | 是 | 22 | 63.00±21.14 | -0.318 | 0.751 |
| 5 000~10 000 | 92 | 62.07±23.08 | 否 | 229 | 61.35±23.48 | ||||
| >10 000 | 99 | 57.55±22.59 | 黑棘皮症 | ||||||
| 婚姻时长(年) | 有 | 29 | 69.93±21.83 | -2.093 | 0.037 | ||||
| <2 | 53 | 59.30±23.98 | 2.640 | 0.073 | 无 | 222 | 60.39±23.25 | ||
| 2~5 | 110 | 58.90±20.90 | 流产史 | ||||||
| >5 | 88 | 66.05±25.10 | 有 | 53 | 59.79±23.88 | -0.598 | 0.551 | ||
| 不孕时间(年) | 无 | 198 | 61.94±23.12 | ||||||
| <2 | 95 | 58.96±22.80 | 3.840 | 0.023 | 月经是否规律 | ||||
| 2~5 | 97 | 59.57±21.56 | 是 | 29 | 59.03±24.91 | -0.604 | 0.546 | ||
| >5 | 59 | 68.73±25.47 | 否 | 222 | 61.81±23.07 |
| 指标 | n | ISS总分(分) | t或F | P | 指标 | n | ISS总分(分) | t或F | P |
|---|---|---|---|---|---|---|---|---|---|
| 年龄(岁) | 治疗时间(个月) | ||||||||
| 20~27 | 53 | 63.73±22.29 | 0.555 | 0.575 | <6 | 128 | 58.34±22.32 | 3.138 | 0.045 |
| 28~35 | 177 | 60.49±22.77 | 6~12 | 15 | 58.20±17.68 | ||||
| 36~45 | 21 | 64.24±29.55 | >12 | 108 | 65.69±24.49 | ||||
| 文化程度 | BMI(kg/m2) | ||||||||
| 高中及以下 | 54 | 66.46±21.54 | 3.174 | 0.044 | <18.5 | 10 | 52.40±20.30 | 7.247 | 0.001 |
| 中专、大专 | 85 | 63.47±26.02 | 18.5~23.9 | 85 | 54.78±22.39 | ||||
| 本科及以上 | 112 | 57.59±21.29 | ≥24.0 | 156 | 65.73±22.99 | ||||
| 职业状态 | 腰臀比 | ||||||||
| 在职 | 208 | 60.29±23.58 | -1.809 | 0.072 | <0.85 | 191 | 59.84±24.05 | -2.105 | 0.045 |
| 无业 | 43 | 67.30±20.91 | ≥0.85 | 60 | 66.73±19.77 | ||||
| 居住地 | 痤疮 | ||||||||
| 农村 | 83 | 66.35±22.55 | 2.348 | 0.020 | 是 | 38 | 64.84±18.17 | -0.965 | 0.336 |
| 城市 | 168 | 59.09±23.28 | 否 | 213 | 60.89±24.03 | ||||
| 家庭月收入(元) | 多毛 | ||||||||
| <5 000 | 60 | 67.12±23.73 | 3.268 | 0.040 | 是 | 22 | 63.00±21.14 | -0.318 | 0.751 |
| 5 000~10 000 | 92 | 62.07±23.08 | 否 | 229 | 61.35±23.48 | ||||
| >10 000 | 99 | 57.55±22.59 | 黑棘皮症 | ||||||
| 婚姻时长(年) | 有 | 29 | 69.93±21.83 | -2.093 | 0.037 | ||||
| <2 | 53 | 59.30±23.98 | 2.640 | 0.073 | 无 | 222 | 60.39±23.25 | ||
| 2~5 | 110 | 58.90±20.90 | 流产史 | ||||||
| >5 | 88 | 66.05±25.10 | 有 | 53 | 59.79±23.88 | -0.598 | 0.551 | ||
| 不孕时间(年) | 无 | 198 | 61.94±23.12 | ||||||
| <2 | 95 | 58.96±22.80 | 3.840 | 0.023 | 月经是否规律 | ||||
| 2~5 | 97 | 59.57±21.56 | 是 | 29 | 59.03±24.91 | -0.604 | 0.546 | ||
| >5 | 59 | 68.73±25.47 | 否 | 222 | 61.81±23.07 |
| 变量 | 具体赋值 |
|---|---|
| 文化程度 | 高中及以下=1,中专、大专=2,本科及以上=3 |
| 居住地 | 农村=1,城市=2 |
| 家庭月收入(元) | <5 000=1,5 000~10 000=2,>10 000=3 |
| 不孕时间(年) | <2=1,2~5=2,>5=3 |
| 治疗时间(个月) | <6=1,6~12=2,>12=3 |
| BMI(kg/m2) | <18.5=1,18.5~23.9=2,≥24.0=3 |
| 腰臀比 | <0.85=1,≥0.85=2 |
| 黑棘皮症 | 有=1,无=2 |
| 变量 | 具体赋值 |
|---|---|
| 文化程度 | 高中及以下=1,中专、大专=2,本科及以上=3 |
| 居住地 | 农村=1,城市=2 |
| 家庭月收入(元) | <5 000=1,5 000~10 000=2,>10 000=3 |
| 不孕时间(年) | <2=1,2~5=2,>5=3 |
| 治疗时间(个月) | <6=1,6~12=2,>12=3 |
| BMI(kg/m2) | <18.5=1,18.5~23.9=2,≥24.0=3 |
| 腰臀比 | <0.85=1,≥0.85=2 |
| 黑棘皮症 | 有=1,无=2 |
| 步骤 | 变量 | B | SE | β | t | P |
|---|---|---|---|---|---|---|
| 步骤一 | 常数 | 40.988 | 12.251 | - | 3.346 | 0.001 |
| 文化程度 | -2.714 | 2.064 | -0.091 | -1.134 | 0.190 | |
| 居住地 | -1.405 | 3.502 | -0.028 | -0.401 | 0.689 | |
| 家庭月收入 | -1.233 | 2.076 | -0.041 | -0.594 | 0.553 | |
| 不孕时间 | 1.271 | 2.037 | 0.042 | 0.624 | 0.533 | |
| 治疗时间 | 3.114 | 1.607 | 0.130 | 1.938 | 0.054 | |
| BMI | 7.079 | 2.811 | 0.173 | 2.518 | 0.012 | |
| 腰臀比 | -0.054 | 3.911 | -0.001 | -0.014 | 0.989 | |
| 黑棘皮症 | 4.492 | 4.862 | 0.062 | 0.924 | 0.356 | |
| 步骤二 | 常数 | -31.561 | 10.073 | - | -3.133 | 0.002 |
| 文化程度 | -1.629 | 1.490 | -0.055 | -1.093 | 0.275 | |
| 居住地 | 0.591 | 2.529 | 0.012 | 0.234 | 0.815 | |
| 家庭月收入 | 1.269 | 1.506 | 0.043 | 0.842 | 0.400 | |
| 不孕时间 | 0.299 | 1.470 | 0.010 | 0.203 | 0.839 | |
| 治疗时间 | 1.453 | 1.164 | 0.060 | 1.248 | 0.213 | |
| BMI | 2.969 | 2.045 | 0.073 | 1.452 | 0.148 | |
| 腰臀比 | -0.812 | 2.820 | -0.015 | -0.288 | 0.774 | |
| 黑棘皮症 | 5.204 | 3.506 | 0.072 | 1.484 | 0.139 | |
| 生育压力 | 0.520 | 0.035 | 0.694 | 14.984 | 0.000 |
| 步骤 | 变量 | B | SE | β | t | P |
|---|---|---|---|---|---|---|
| 步骤一 | 常数 | 40.988 | 12.251 | - | 3.346 | 0.001 |
| 文化程度 | -2.714 | 2.064 | -0.091 | -1.134 | 0.190 | |
| 居住地 | -1.405 | 3.502 | -0.028 | -0.401 | 0.689 | |
| 家庭月收入 | -1.233 | 2.076 | -0.041 | -0.594 | 0.553 | |
| 不孕时间 | 1.271 | 2.037 | 0.042 | 0.624 | 0.533 | |
| 治疗时间 | 3.114 | 1.607 | 0.130 | 1.938 | 0.054 | |
| BMI | 7.079 | 2.811 | 0.173 | 2.518 | 0.012 | |
| 腰臀比 | -0.054 | 3.911 | -0.001 | -0.014 | 0.989 | |
| 黑棘皮症 | 4.492 | 4.862 | 0.062 | 0.924 | 0.356 | |
| 步骤二 | 常数 | -31.561 | 10.073 | - | -3.133 | 0.002 |
| 文化程度 | -1.629 | 1.490 | -0.055 | -1.093 | 0.275 | |
| 居住地 | 0.591 | 2.529 | 0.012 | 0.234 | 0.815 | |
| 家庭月收入 | 1.269 | 1.506 | 0.043 | 0.842 | 0.400 | |
| 不孕时间 | 0.299 | 1.470 | 0.010 | 0.203 | 0.839 | |
| 治疗时间 | 1.453 | 1.164 | 0.060 | 1.248 | 0.213 | |
| BMI | 2.969 | 2.045 | 0.073 | 1.452 | 0.148 | |
| 腰臀比 | -0.812 | 2.820 | -0.015 | -0.288 | 0.774 | |
| 黑棘皮症 | 5.204 | 3.506 | 0.072 | 1.484 | 0.139 | |
| 生育压力 | 0.520 | 0.035 | 0.694 | 14.984 | 0.000 |
| [1] | 徐阳. 应重视多囊卵巢综合征患者全生命周期的管理[J]. 中华医学杂志, 2023, 103(14):1011-1015. doi: 10.3760/cma.j.cn112137-20221008-02095. |
| [2] | 卢山, 孙小玲. 国内外有关多囊卵巢综合征患者生活方式干预护理研究文献的可视化分析[J]. 中国实用护理杂志, 2020, 36(35):2725-2732. doi: 10.3760/cma.j.cn211501-20200515-02316. |
| [3] |
Wright PJ, Dawson RM, Corbett CF. Social construction of biopsychosocial and medical experiences of women with polycystic ovary syndrome[J]. J Adv Nurs, 2020, 76(7):1728-1736. doi: 10.1111/jan.14371.
pmid: 32215949 |
| [4] | 姜璎钊, 刘均娥, 韩静. 女性不孕症患者病耻感水平及影响因素的调查研究[J]. 中华护理杂志, 2018, 53(6):698-703. doi: 10.3761/j.issn.0254-1769.2018.06.011. |
| [5] | Yokota R, Okuhara T, Okada H, et al. Association between Stigma and Anxiety, Depression, and Psychological Distress among Japanese Women Undergoing Infertility Treatment[J]. Healthcare(Basel), 2022, 10(7):1300. doi: 10.3390/healthcare10071300. |
| [6] | Sheikh J, Khalil H, Shaikh S, et al. Emotional and psychosexual well-being is influenced by ethnicity and birthplace in women and individuals with polycystic ovary syndrome in the UK and India[J]. BJOG, 2023, 130(8):978-986. doi: 10.1111/1471-0528.17428. |
| [7] |
Rotterdam ESHRE/ASRM-Sponsored PCOS Consensus Workshop Group. Revised 2003 consensus on diagnostic criteria and long-term health risks related to polycystic ovary syndrome[J]. Fertil Steril, 2004, 81(1):19-25. doi: 10.1016/j.fertnstert.2003.10.004.
pmid: 14711538 |
| [8] | 陈子江, 刘嘉茵, 黄荷凤, 等. 不孕症诊断指南[J]. 中华妇产科杂志, 2019, 54(8):505-511. doi: 10.3760/cma.j.issn.0529-567x.2019.08.001. |
| [9] | 中国痤疮治疗指南专家组. 中国痤疮治疗指南(2019修订版)[J]. 临床皮肤科杂志, 2019, 48(9):583-588. doi: 10.16761/j.cnki.1000-4963.2019.09.020. |
| [10] | 多囊卵巢综合征诊治路径专家共识编写组. 多囊卵巢综合征诊治路径专家共识[J]. 中华生殖与避孕杂志, 2023, 43(4):337-345. doi: 10.3760/cma.j.cn101441-20220927-00417. |
| [11] |
Fu B, Qin N, Cheng L, et al. Development and validation of an Infertility Stigma Scale for Chinese women[J]. J Psychosom Res, 2015, 79(1):69-75. doi: 10.1016/j.jpsychores.2014.11.014.
pmid: 25499618 |
| [12] |
Newton CR, Sherrard W, Glavac I. The Fertility Problem Inventory: measuring perceived infertility-related stress[J]. Fertil Steril, 1999, 72(1):54-62. doi: 10.1016/s0015-0282(99)00164-8.
pmid: 10428148 |
| [13] | Peng T, Coates R, Merriman G, et al. Testing the psychometric properties of Mandarin version of the fertility problem inventory (M-FPI) in an infertile Chinese sample[J]. J Psychosom Obstet Gynaecol, 2011, 32(4):173-181. doi: 10.3109/0167482X.2011.609950. |
| [14] | Ozturk A, Aba YA, Sik BA. The relationship between stigma, perceived social support and depression in infertile Turkish women undergoing in vitro fertilization-embryo transfer[J]. Arch Psychiatr Nurs, 2021, 35(5):434-440. doi: 10.1016/j.apnu.2021.05.009. |
| [15] | Jing X, Gu W, Xu X, et al. Stigma predicting fertility quality of life among Chinese infertile women undergoing in vitro fertilization-embryo transfer[J]. J Psychosom Obstet Gynaecol, 2022, 43(1):35-41. doi: 10.1080/0167482X.2020.1778665. |
| [16] | Lin YC, Lin CY, Saffari M, et al. Weight stigma is associated with body mass index among college students in Taiwan: the mediated role of internalized weight stigma[J]. BMC Psychol, 2023, 11(1):365. doi: 10.1186/s40359-023-01414-w. |
| [17] | Rizvi M, Islam MA, Aftab MT, et al. Knowledge, attitude, and perceptions about polycystic ovarian syndrome, and its determinants among Pakistani undergraduate students[J]. PLoS One, 2023, 18(5):e0285284. doi: 10.1371/journal.pone.0285284. |
| [18] | 李春玲, 金艳荣, 赵娟, 等. 多囊卵巢综合征不孕症患者病耻感、生育压力调查及影响因素分析[J]. 中国计划生育学杂志, 2023, 31(10):2302-2306. doi: 10.3969/j.issn.1004-8189.2023.10.007. |
| [19] | 赵璟, 叶慧, 胡丽莉, 等. 女性不孕症患者病耻感及不孕相关压力评分影响因素的调查研究[J]. 生殖医学杂志, 2020, 29(12):1593-1597. doi: 10.3969/j.issn.1004-3845.2020.12.010. |
| [20] |
Ismayilova M, Yaya S. What can be done to improve polycystic ovary syndrome (PCOS) healthcare? Insights from semi-structured interviews with women in Canada[J]. BMC Womens Health, 2022, 22(1):157. doi: 10.1186/s12905-022-01734-w.
pmid: 35538531 |
| [21] | 李渊彬, 李小妹, 张晓旭, 等. 不孕症病人非理性生育认知与病耻感的相关性研究[J]. 护理研究, 2020, 34(6):971-976. doi: 10.12102/j.issn.1009-6493.2020.06.013. |
| [22] | Xie Y, Ren Y, Niu C, et al. The impact of stigma on mental health and quality of life of infertile women: A systematic review[J]. Front Psychol, 2022, 13:1093459. doi: 10.3389/fpsyg.2022.1093459. |
| [23] |
Donkor ES, Sandall J. The impact of perceived stigma and mediating social factors on infertility-related stress among women seeking infertility treatment in Southern Ghana[J]. Soc Sci Med, 2007, 65(8):1683-1694. doi: 10.1016/j.socscimed.2007.06.003.
pmid: 17673344 |
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